PLEASE HELP !!!

Sound is a vibration that travels through ______ . some types of matter are made of pieces too small to be seen, called _______ . molecules are the ______ pieces that matter can be broken into without changing the kind of matter. when a string vibrates, it makes molecules of gases in the air next to it _______ . a vibration that spreads away from a vibrating object is a _______ . it carries the energy from the vibrating object outward in all ______ . when sound waves reach your ______ , they make the parts inside vibrate. since air is a mixture of _______ , you may conclude that sound can travel through gases.

a.SOUND WAVE
b. SMALLEST
c. VIBRATE
d. MOLECULES
e. MATTER
f. GASES
g. DIRECTIONS
h. EAR

Answers

Answer 1
1. sound waves (a)
2. molecules (d)
3. smallest (b)
4. vibrate (c)
5. directions (g)
6. ear (h)
7. gases (f)

Related Questions

One of its boundaries is the ora serrata, and has both inner and outer plexiform layers. It is home to bipolar and amacrine cells. Unlike surrounding tissue, it develops from the brain.

Answers

Amacrine cells and horizontal cells, the other two types of neurons in the retina, have their cell bodies in the inner nuclear layer and are mostly in charge of lateral interactions within the retina.

Structure of Retina

The outer plexiform layer's lateral connections between horizontal cells, bipolar cells, and receptors play a significant role in the visual system's sensitivity to luminance contrast across a range of light intensities. Amacrine cells' lateral processes in the inner plexiform layer are postsynaptic to bipolar cell terminals and presynaptic to ganglion cell dendrites.

In the outer plexiform layer, horizontal cells' processes ramify. many amacrine cell subtypes that contribute differently to the function of the eye. One kind of amacrine cells, for instance, is crucial in converting bipolar cells' sustained reactions to light into the fleeting responses displayed by some types of ganglion cells.

Another kind functions as a necessary step in the information-transmission chain connecting rod photoreceptors and retinal ganglion cells. Although there are just five basic types of retinal cells, the variety of amacrine cell subtypes serves as an example of the more general principle that there can be significant diversity within a particular cell type. This diversity serves as the foundation for pathways that send many types of information to core targets simultaneously.

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List the three types of external processes and describe the role that each plays in the part of breaking down rock into sediment.

PLEASE HURRY DUE DEC 9th!!!!
(this is earth and space science they didn't have an option for it lol)

Answers

The impacts of wind and rain, which gradually reduce huge boulders into smaller ones, are included in erosion and weathering.

What processes breaking down rock into sediment?

Agents of weathering include water, ice, acids, salts, plants, animals, and variations in temperature. After a rock has been fractured, the fragments of rock and mineral are carried away by a process known as erosion.

As a result of erosion and weathering, boulders and even mountains turn into sediments like sand or mud. Chemical weathering, or dissolution, is one type of weathering.

Therefore, The breakdown or dissolution of rocks and minerals on the Earth's surface is referred to as weathering.

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please help!

In humans, hemophilia is a sex-linked recessive disorder, which results in an inability for blood to clot, causing people to bleed out. if a man who has hemophilia, marries a woman with no history of hemophilia innher family, show using a punnett square that there is no possibility of having a child with hemophilia.​

Answers

No, child of the mentioned couple will be hemophilic, however 50% of the female child may become a carrier. The punnett square is attached below.

What is hemophilia?

Hemophilia is a rare inherited blood disorder that occurs when the blood cannot clot and bleeding slows or stops. Hemophilia occurs when people do not have normal amounts of clotting factors. Clotting factors help blood to clot. Health care providers treat hemophilia by replacing missing clotting factors.

There are three types of hemophilia:

Hemophilia A: This is the most common form of hemophilia. Occurs when clotting factor 8 (Factor VIII) is deficient. The CDC estimates that about 10 in 100,000 people have hemophilia A.Hemophilia B: Hemophilia B occurs when you don't have enough clotting factor 9 (factor IX). The CDC estimates that about 3 in 100,000 of them in the United States have hemophilia B.Hemophilia C: Hemophilia C is also known as factor 11 (factor XI) deficiency. This type of hemophilia is very rare, at 1 in 100,000 people.

Since, hemophilia occurs only in homozygous condition only. if a man who has hemophilia, marries a woman with no history of hemophilia in her family, then none of the offspring will inherit the disease. However, 50% of the female offspring might result as a carrier.

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charles mitter and colleagues found evidence that herbivory promotes high diversification rates by comparing the diversity of groups of herbivorous insects with the diversity of

Answers

Charles miter and colleagues found evidence that herbivory promotes high diversification rates by comparing the diversity of groups of herbivorous insects with the diversity of non-herbivorous sister groups

What is insect diversity?

Estimates of the overall number of bug species or those belonging to certain orders can vary greatly. These estimations on average suggest that there are around 1.5 million species of beetles and 5.5 million species of insects worldwide, with approximately 1 million insect species having been discovered and documented to far.

Over 50% of all identified eukaryotes (1.8 million), or between 950,000 and 1,000,000 species, are insects. With only 950,000 known non-insect species, if there are 5.5 million insects instead, they may make up more than 80% of the total. Additionally, with only 20,000 new species of all organisms being described annually, the majority of insect species are likely to remain undiscovered unless the rate of species descriptions significantly increases.

In terms of the number of described species among the 24 orders of insects, Coleopteran, Dipteran, Hymenoptera, and Lepidoptera account for at least 670,000 of the total.

Therefore the correct answer is  non-herbivorous sister groups

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I understand that the complete question is Charles Miter and colleagues found evidence that herbivory promotes high diversification rates by comparing the diversity of groups of herbivorous insects with the diversity of

herbivorous mollusks. non-herbivorous sister groups. unrelated insect groups whose clades were the same age. the plants that the herbivorous insects used as a food source. the same insect groups in the fossil record.

Bumps, Blemishes and Beyond
Imagine that you are working in either a cosmetic surgery clinic or a medical spa, and you are meeting a client for the first time. They have come to you for a simple procedure, but when you’re doing the consultation with the person, you notice some suspicious-looking lesions on their skin. You explain to the client that you are concerned about them, and you’d like them to see their healthcare provider before you can proceed with treatment. They ask you to write your findings down so that they can share them with their primary care provider.

You are going to search for images of two different types of lesions online and imagine them to be what your client is presenting with. Using the terminology that you learned about lesions, describe them in enough detail that someone could picture the areas in their mind without the images. You will be expected to submit the images to dropbox to support your written work. You will need to include the type, shape, distribution, color, size, and presence of drainage in your descriptions for it to be considered complete.

Answers

Based on the image, I could describe my patient's skin as skin with homogeneous reddish dots, without a defined pattern and of different sizes that fluctuate between 1 and 0.5 in diameter.

What is a skin lesion?

A skin lesion is a term to refer to any type of damage caused to the skin by external or internal factors that generally produce alterations in the shape, coloration and general appearance of the skin.

In general, changes in the skin can be the result of different internal or external chemical processes. For example, if we eat something contaminated with bacteria, it can cause skin rashes or poisoning. On the other hand, if we touch a plant and we are allergic, it can cause a rash or other skin eruptions.

Based on the above, the way I would describe my patient's skin would be:

My patient's skin has homogeneous reddish dots, without a defined pattern and of different sizes that fluctuate between 1 and 0.5 in diameter. They are located mainly in the dorsal area of the back. The patient does not experience any symptoms when touching said rash.

Note: This question is incomplete because the image is missing. Here is the image.

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2. calcium is crucial for the proper function of a number of body systems, so blood levels must be tightly controlled. predict the three body systems that are most affected by abnormal calcium.

Answers

Hypocalcemia, a disorder marked by excessively low calcium levels, can negatively affect the heart, muscles, neurons, and bones, among other bodily functions.

Calcium: What is it?

Calcium is the mineral that is most frequently linked to strong bones and teeth, but it also plays a critical role even in blood clotting, assisting with muscular contraction, and regulating regular heartbeats and nerve activity.

What foods lower calcium levels?

Consuming foods high in sodium (Na) causes the body to lose calcium, which might result in bone loss. Try to cut back on the quantity of processed meals, canned foods, plus salt added to your daily diet.

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An atom with an atomic number of 7 and a mass number of 8 is which element

Answers

Answer:

It is Nitrogen (N).

Explanation:

The atomic number of an atom is the number of protons in the nucleus, and the mass number is the total number of protons and neutrons in the nucleus.

In this case, the atomic number of 7 indicates that there are 7 protons in the nucleus, while the mass number of 8 indicates that there are 8 total particles in the nucleus (7 protons and 1 neutron).

Therefore, the element is Nitrogen (N), which has an atomic number of 7 and a mass number of 8.

The cell cycle represents the coordinated sequence of events in the life of a cell from its formation to its division into two daughter cells. Most of the key events of the cell cycle are restricted to a specific time within the cycle. In this exercise, you will identify when various events occur during the cell cycle. Recall that interphase consists of the G_1 S, and G_2 subphases, and that the M phase consists of mitosis and cytokinesis. Drag each label to the appropriate target.

Answers

a. G1 PHASE- where non-dividing cells exit cell cycle

b. S PHASE- at this point, the cell commits to go through the cycle

c. G2 PHASE- DNA replicate

d. M PHASE- centrosome replicates

e. MITOSIS- mitotic spindle begins to form

f. CYTOKINESIS- cell divides, forming two daughter cells

EXPLANATION:

What is the cell cycle?

A cell's growth and division are part of a cycle that includes a number of activities. The majority of a cell's time is spent in a phase known as interphase, during which it develops, copies its chromosomes, and gets ready to divide. After leaving interphase, the cell continues through mitosis to finish dividing.

The G1 phase is the time in a cell's life cycle between mitosis and the start of genetic material replication.The cell cycle's S phase (Synthesis Phase), which falls between G1 and G2, is the stage during which DNA replication takes place.The G2 phase is a time of accelerated protein synthesis and cell expansion when the cell gets ready for mitosis.In the M phase, two identical daughter cells are created through cytokinesis and nuclear division.One cell (the mother) divides into two new cells (the daughters) that are genetically identical to the mother cell through a process known as mitosis.The process of cell division that results in the physical separation of the two daughter cells is known as cytokinesis.

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What organic compound
makes up the major portion of
the cell membrane?
A. nucleic acid
B. protein
C. lipid

*HELP ME PLEASE*

Answers

Answer:

Lipid is the organic compound that makes up the major portion of the cell membrane

Explanation:

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Suppose April is a dog enthusiast who has started a new breed, the mallincollie, by crossing two breeds of dogs, the Belgian Malinois and the Border collie. The pedigree for April's mallincollie line is shown below. Litter mates are fraternal and not identical twins or triplets.
For an upcoming litter, April would like to breed two individuals from within her line of mallincollies. However, to minimize the inheritance of recessive diseases, she would like to breed two of the most distantly related individuals within the line. Which two individuals should breed to minimize relatedness?
What is the percent of relatedness of these individuals? Round the nearest hundredth.

Answers

Penny and Timmy; 12.5 is the correct answer

What is Inheritance?

Genetic information from one parent to another is passed down through heredity.

The DNA (deoxyribonucleic acid) found in the sex cells transmits information as chemical codes.

By virtue of chromosomal variation, inheritance occurs.

Chromosomes are the inheritance units that carry genetic material.

In sexual reproduction, each gamete of the opposing sex participates, providing traits in the form of genetic material.

Hemophilia and other genetic illnesses are examples of inheritance.

The next generation inherits the traits that are expressed in the offspring. Inherited qualities are those that are passed down from one generation to the next.

An individual acquires acquired qualities over the course of their lives. These develop in the body's somatic cells as a result of alterations in lifestyle, the loss or misuse of bodily parts, injuries, etc. The following generation does not inherit these modifications.

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please hurry
What is the result of this mutation during the translation process?

Question 3 options:

The translation process will fail to begin.


Some of the proteins formed during translation will be unstable.


The mRNA will be translated at a faster rate than normal.


Everything after the mutation will be translated incorrectly

Answers

The result of this mutation during the translation process is that everything after the mutation will be translated incorrectly.

What is mutation?

A mutation in biology is a change in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA's genome. Viral genomes can contain either DNA or RNA. Mutations occur as a result of errors in DNA or viral replication, mitosis, or meiosis, or other types of DNA damage (such as pyrimidine dimers caused by ultraviolet radiation exposure), which may then undergo error-prone repair (particularly microhomology-mediated end joining), cause an error during other forms of repair, or cause an error during replication (translesion synthesis). Mutations can also occur as a result of the insertion or deletion of DNA segments caused by mobile genetic elements.

Mutations can cause detectable changes in an organism's observable characteristics (phenotype).
Original DNA Sequence - GCA TAT GCT AATA GCG ACT
Mutated DNA Sequence - GCA TTG CTA TAG CGA CT

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Which event accounts for the probability that a particular allele will be packaged in a given gamete?
A
joining of a sperm and egg cell
random chromosome segregation
B
C
D
mitotic cell division
protein synthesis

Answers

These bound homologous pairs are separated and positioned in the centre of the cell during metaphase I of meiosis I. The many alleles for each gene are thus functionally isolated.

What roles do the chromosomes perform?

a material found in a cell's nucleus. Proteins and DNA are arranged into genes on a chromosome. There are typically 23 sets of chromosomes in every cell.

Which chromosome is the gender chromosome?

The X and Y chromosomes determine whether you are a male or a girl when you are born. In biology, sex chromosomes are known as: In females, there are two X chromosomes. One X and one Y chromosome are found in every male.

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Label each process of sedimentary rock formation in the appropriate order.

Answers

1st one on the right is weathering and erosion then transport then deposition then the last one on the left is burial,compaction and lithification

Use the picture and label the parts of the spinal reflex.

Answers

In the spinal reflex, the sensory neuron is represented by 1, the dorsal root by 2, the interneuron by 3, the ventral root by 4, and the motor neuron by 5. The spinal reflex involves the spinal cord.

What is the spinal reflex?

The spinal reflex involves the spinal cord, where the sensory neuron takes the message from the organ and enters the spinal cord via the ventral root. Later, the interneuron connects the sensory neuron to the motor neuron, and then the motor neuron does the function.

     

Hence, the sensory neuron is represented by 1, the dorsal root by 2, the interneuron by 3, the ventral root by 4, and the motor neuron by 5.

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rasitic members of this phylum cause river blindness and elephantiasis. this phylum exhibits a radially symmetric head but a bilaterally symmetric body. trichinosis [trih-kih-noh-siss] is caused by a member of this

Answers

Members of nematoda phylum cause river blindness and elephantiasis. this phylum exhibits a radially symmetric head but a bilaterally symmetric body.

Phylum nematodes:Parasitic members of this phylum induce river blindness and elephantiasis. The body of this phylum is bilaterally symmetric, whereas the head is radially symmetric. A member of this phylum whose members lack (*) segmentation and have a two-ended digestive system without a stomach is the cause of trichinosis (pronounced trih-kih-NOH-siss). The model organism C. elegans, which Sydney Brenner investigated, is a member of the pseudocoelomate ["pseudo"-SEE-lum-ayt"] phylum, which also includes roundworms.The only eukaryotic cell without G-actin has been found to be the ameboid sperm of these creatures. They produce a collagenous cuticle, which they molt as they grow, but they lack a circular muscle layer. species within this phylum display a false.

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How does diffusion occur in cells? Please submit your conclusion paragraph.

Answers

Diffusion is an essential process for the functioning of cells, as it allows for the exchange of materials and energy between the cell and its environment. Diffusion occurs when molecules move from an area of higher concentration to an area of lower concentration. This process occurs within the cell membrane, as molecules of solutes move across the membrane as well as through the membrane. Diffusion is important for the transport of substances across cells, which is necessary for metabolic processes and other essential functions. Diffusion is an important process that helps cells to maintain homeostasis.

the group of marine macroscopic algae with the highest abundance and greatest geographic distribution belong to the division rhodophyta.

Answers

The statement, about the most abundant and geographically distributed group of macroscopic marine algae belonging to the division rhodophyta. Is true.

They are found in all oceans and seas, in both shallow and deep waters, and in both tropical and temperate regions. This is due to their ability to grow in a wide range of temperatures and salinities, as well as their high tolerance to light and nutrient availability.

Characteristics of the algae division rhodophyta?

Rhodophyta are multicellular, photosynthetic organisms that are primarily aquatic. Rhodophyta are red algae, meaning they contain the pigment phycoerythrin which gives them their characteristic red color. They are mostly marine, but some species are found in freshwater and a few species are terrestrial. They range in size from unicellular to large macroalgae. They can reproduce asexually by fragmentation or through the production of specialized structures such as carpospores. They can also reproduce sexually through the formation of gametes. They have a single cell wall composed of polysaccharides, proteins, and lipids. They can be unicellular or colonial and are classified according to their cell wall composition. Some species contain special structures such as flagella, rhizoids, or storage organs. They form symbiotic relationships with other organisms such as corals and sponges.

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1. Which sitution would most likely decrease the
Carrying capacity for humans in a certain
region ?
A. Access to medical treatment
B. Air pollution
C. High-rise apartment buildings
D. Clean drinking water.

Answers

Air pollution would most likely decrease the carrying capacity for humans in a certain region.

Listed in the Item Bank are some important labels for sections of the image below. To find out more information about labels, some have more details available when you click on them. Drag and drop each label to the corresponding area it identifies in the image.

Answers

Rocks and their properties:

Contains minerals - AllComponent of the rock cycle - AllMolten magma cools - IgneousAll contains layers or strata - SedimentaryFormed through extreme heat and pressure of preexisting rocks - Metamorphic

What are the 3 types of rock?

The three types of rocks include igneous, metamorphic, and sedimentary. All rocks contain minerals in them such as Feldspars, quartz, amphiboles, micas, olivine, garnet, calcite, and pyroxenes. When molten rock (magma or lava) cools and solidifies, igneous rocks form.

Sedimentary rocks form when particles settle out of water or air, or when minerals precipitate from water. Once existing rocks are altered by heat, pressure, or reactive fluids such as hot, mineral-laden water, metamorphic rocks form.

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the term that describes the replenishment of groundwater either naturally or by human processes is groundwater .

Answers

The term recharge describes the replenishment of groundwater either naturally or by human processes .

What do you mean by recharge?

Recharge is defined as the movement of water into the soil, flowing downward through the unsaturated zone, below the root zone of plants, until it arrives at the unsaturated zone, adding to groundwater storage.

It can take place by diffuse infiltration, a preferential pathway and/or through surface streams and lakes.It follows the three routes of water i.e., direct,localized, and indirect.

It is a diffuse process and occurs fairly uniformly over large areas beneath the point of the impact.

Recharge to an aquifer depends on the groundwater level too; lower positions of groundwater normally increase recharge by increasing the capture zone.

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Groundwater recharge is the process of replenishing groundwater through natural or artificial means. It is a critical process for maintaining groundwater levels and preventing groundwater depletion.

What is groundwater?

Groundwater is water that has been naturally absorbed into the ground and is found in porous materials like sand, gravel and other particles of rock. It is a vital source of fresh water for many people, plants and animals, and is the main source of water in many areas of the world. Groundwater is a major component of the global water cycle and is one of the most important sources of freshwater for humans. Groundwater can be found in almost any type of environment, from mountains and deserts to wetlands and forests. Groundwater can be accessed through wells, springs, or other methods of extraction. Groundwater forms when precipitation from rain and snow infiltrates the surface soil and rocks and is stored in the ground. Over time, this water is slowly released into streams and rivers, or is used by plants and animals. The amount of groundwater available in an area is determined by the type of soil and rock, the climate, and the amount of precipitation that occurs in a particular area. Groundwater is a valuable resource that must be managed carefully to ensure its sustainability for future generations.

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Explain homeostatic mechanism can conserve oxygen in diving animals

Answers

The mechanism to conserve oxygen in diving animal is diving reflex.

What is homeostatic mechanism?

Homeostasis is a system property that regulates variables so that internal circumstances stay steady and largely constant. Homeostasis can be seen in the regulation of body temperature and the balance of acidity and alkalinity.

Homeostatic regulation refers to the adjustment of physiological systems within the body and consists of three elements or mechanisms: (1) the receptor, (2) the control center, and (3) the effector.

What is diving reflex?

The diving reflex is a clever physiological mechanism that allows the body to manage and tolerate low oxygen levels. During the diving response, oxygen consumption is reduced via energy-efficient swimming or gliding behavior, as well as modulation of metabolism, heart rate, and peripheral vasoconstriction.

The mechanism to conserve oxygen in diving animal is diving reflex.

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6. Hemophilia is a sex-linked trait that is carried on the X chromosome. Why
is there a higher probability that males will exhibit the characteristics of
hemophilia than females?

Answers

Because males carrie those kind of kind of things through the bodies parts women dont have the same parts men do, so its different from the female from the Male. because they have different body parts

Use the picture and label the parts of the spinal reflex.

Answers

Spinal reflex is the stimulus of the body to an external environment. Spinal reflex is the total system of the nerve reflex.

What are the two types of spinal reflex ?

The two types of spinal reflex are monosynaptic reflex arc and polysynaptic reflex arc.

The various types of reflex arc are :

1. The stretch reflex

2.The Golgi tendon reflex

3. The crossed extensor reflex

4. The withdrawal reflex

On the 1. point is the afferent impulses from the stretch receptors to spinal cord from which the mechanism begins. 2. cell body of the sensory neuron to which the various axons terminals along with the ion channels are activated.

On the 3rd are the structures are interneurons and on the 4th are  efferent impulses that cause the contraction of the  stretched muscles and retains the stretch of the stretched muscles. On the 5th are the efferent muscles that inhibit the contraction of the antagonistic muscles.

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select all o the following that are abiotic factors that you will compare between sampling sites sampleing ecosystme labs

Answers

Abiotic variables include things like sunlight, air, precipitation, minerals, and soil, to name a few. These elements significantly affect the persistence and procreation of species within an ecosystem. For instance, autotrophic organisms might not be able to exist without enough sunlight.

What are the four primary abiotic variables?

The nonliving components of the environment, or abiotic influences, frequently have a significant impact on living things. Water, sunlight, oxygen, soil, and temperature are examples of abiotic variables.

What three abiotic elements are present in an ecosystem?

Abiotic factors are non-living components of an ecosystem that influence their surroundings. Examples could be light, water, and temperature in a terrestrial habitat. Abiotic elements in a marine ecosystem would be salinity and ocean currents.

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Which process described shows the hydrosphere interacting with the lithosphere?
Responses

saltwater from an ocean meeting freshwater from a river at an estuary

river water eroding a rocky bank and carrying silt to the sea

a meteor burning up in the mesosphere

a volcano spewing clouds of ash that delay airplane flights throughout Europe

Answers

The process described which shows the hydrosphere interacting with the lithosphere is river water eroding a rocky bank and carrying silt to the sea which is therefore denoted as option B.

What is Hydrosphere?

This is referred to as the combined mass or quantity of water found on the plant such as earth and it comprises of different water bodies such as rivers, seas etc.

Lithosphere on the other hand is referred to as the solid, outer part of Earth which consists of the upper portion of the mantle and the crust in the form of rocks etc.

Water is very important in the ecosystem and is the reason why it is recycled so as to enable its presence which is usually in the form of precipitation. River water which is part of the hydrosphere erodes a rocky bank which forms part of the lithosphere.

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Answer:r river water

Explanation:

took the test

At which level of body organization does copying of DNA take place?

Responses

organ system

organ system

organ

organ

tissue

tissue

cell

Answers

Answer:

Cell

Explanation:

DNA replication occurs in the nucleus in eukaryotic cells and in the nucleoid region of prokaryotic cells. Eukaryotic cells contain their DNA in the nucleus, and thus this is where DNA replication occurs.

Which two substances are used in only one of the three main steps of cellular respiration?
A. NADH B. ADP C. Glucose D. Oxygen​

Answers

Answer: C. Glucose

D. Oxygen

Explanation: Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP. Generally speaking, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water.

under rupa, an association of two or more persons means that the partners have to be 'flesh and blood' individuals.

Answers

The statement about the definition of partnership under RUPA, an association of two or more persons means that the partners have to be 'flesh and blood' individuals is false.

RUPA defines а‘"pаrtnership" аs "аn аssociаtion of two or more persons to cаrry on аs co-owners а business for profit formed, predecessor lаw, or compаrаble lаw of аnother jurisdiction". And, further provides thаt "an аssociаtion formed under а stаtute other thаn this, а predecessor stаtute, or а compаrаble stаtute of аnother jurisdiction is not а pаrtnership under this Аct.

This lаnguаge wаs intended to clаrify thаt а limited pаrtnership is not а RUPА generаl pаrtnership. It wаs not intended to preclude the аpplicаtion of аny RUPА generаl pаrtnership rules to limited pаrtnerships where limited pаrtnership lаw otherwise аdopts the RUPА rules.

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A testable idea about a set of observations or natural phenomenon.

Answers

Answer: A hypothesis

Explanation:

Is Oldest Life geological,biological or a mass extinction

Answers

Answer:

mass extinction

Explanation:

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