A fossil contains 1/16 of the carbon -14 it began with. How old is the fossil?
Answer:
1/30
................
Of the 23 pairs of chromosomes in the human body, how many pairs are homologous?
A. 23
B. 22
Answer:
B. 22
Explanation:
Humans have a total of 46 chromosomes, but there are only 22 pairs of homologous autosomal chromosomes
What type of air mass forms over Nashville TN
Five air masses affect the United States during the course of a typical year: continental polar, continental arctic, continental tropical, maritime polar, and maritime tropical. Continental air masses are characterized by dry air near the surface while maritime air masses are moist.
NO ONE
literally no one.....
DAD BE LIKE:
OK *THUMBSUP*
What is embedded in the phospholipid bilayer that helps in the movement of larger molecules ?
A.Channel/Transport proteins
B.Salt
C.Water
D.Fats
Answer:
[tex]\boxed {\boxed {\sf A. \ Channel/Transport \ proteins}}[/tex]
Explanation:
The phospholipid bilayer is also known as the cell membrane. It covers cells and regulates the transport of substances. Certain ones can pass and others cannot, depending on certain factors like size and polarity.
Smaller substances tend to diffuse or move across the membrane quite easily. However, larger molecules have a much harder time. Many depend on special proteins embedded in the membrane. These are called transport proteins and they form a channel so large molecules can still move in or out of the cell.
So, salt, water, and fats do not contribute to the movement of larger molecules, but channel or transport proteins do and choice A is correct.
Where does the light and thermal energy given off when burns food come from?
A Light and thermal energy given off from burning food comes from the lighter used to light the food.
B. Light and thermal energy given off from burning food is converted from the chemical energy stored in
the food.
C. Light and thermal energy given off from burning food comes from oxygen.
D. Light and thermal energy given off from burning is created when food burns.
3. Why do two grams of fat provide a different amount of energy than two grams of carbohydrate?
Answer: B
Explanation: Because Light and thermal are two different things of heat and if one of the cores of heat gets any cooler than it is than it may burn out and there wwill no longer be heat so the food brin come in at the middle (Core) of the heat and just like a microwave it had different heats but its core of the heat stays the excact same
What does the Coriolis effect directly impact?
which statement best describes the reaction force?
Answer:
I believe the awnser is; The reaction force is the force of the ball away from the racket
Which of the following stars is the brightest?
Sun
Rigel
Pollux
Procyon B
Rigel
is the answer of your question
hope it is helpful to you
how does sexual reproduction increase variation within a species
Explanation:
The process of sexual reproduction introduces variation into the species because the alleles that the mother and the father carry are mixed together in the offspring. ... A mate must be found, the egg must be fertilised by sperm, and then the offspring develop.
Answer:
because it increases the gene pool
Explanation:
So sexual reproduction requires two organisms, a male and a female, and their offspring has a combination of both of the parents, this varies the gene pool. Then the offspring creates more offspring, further varying the gene pool.
hope this helps:)
Determine whether each is a source of bad ozone or not.
car exhaust
industrial emissions
transpiration of plants
solvent vapors
acid rain
How do abiotic and biotic elements aid you in choosing a home?
Answer:
The he interrelated abiotic and biotic factors in an ecosystem combine to form a biome. Abiotic factors are the nonliving elements, like air, water, soil and temperature. Biotic factors are all the living elements .
Explanation:
I hope this help
Which factors increase the heat absorbed by a land surface? Select the two correct answers.
A. becoming wetter
B. becoming smoother
C. removing plants
D. removing show
E. becoming paler
The factors associated with removing plants and removing snow increase the heat absorbed by a land surface.
What is heat land surface?The expression heat land surface makes reference to the radiation absorbed by the Earth during the day.
This solar radiation increases the amount of thermal energy present in the ground and its temperature.
In conclusion, the factors associated with removing plants and removing snow increase the heat absorbed by a land surface.
Learn more about heat land surface here:
https://brainly.com/question/23726598
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help I need help QUIZ brain list 15
Which of the following statements is true?
Elements in the same group have the same number of electrons.
Seasons are caused by Earth's revolution and tilted axis.
Bases have pH values between 0 and 7.
Protons and electrons are found in the nucleus of an atom.
1. Why does the immune system make memory cells?
Answer:
The reason the immune system makes memory cells is to help the body recognize a sickness they have experienced before and react to it.
Explanation:
Question 2 of 10
The electrochemical system in the body for communicating, processing, and
storing information is the:
A. endocrine system.
B. nervous system.
C. brain lobe system.
D. neural feedback system.
SUBMIT
Explanation:
The correct answer is the nervous system. It is because the CNS or the nervous system is the one responsible for sending or transmitting signals from the brain throughout the body in order for it to function, this also involves of having to communicate, process and store memory in an individual.
The diagram below represents two flies.They look similar but they can not sexually reproduce with each other and produce offspring. This means that the two flies most likely belong to
(1) the same kingdom and same species
(2) the same kingdom, but different species
3) different kingdoms, but same species
(4) different kingdoms and different species (I can't put the picture my bad)
Answer:
(2) the same kingdom, but different species
Explanation:
I believe that they are from the same kingdom (Animalia) but are different species, which causes them to not be able to breed with one another.
How are tropical rain forests and temperate forests different?
There are two types of rainforests, tropical and temperate. Tropical rainforests are found closer to the equator where it is warm. Temperate rainforests are found near the cooler coastal areas further north or south of the equator. The tropical rainforest is a hot, moist biome where it rains all year long.
known as D
hope this helps <3
HELP PLEASE I WILL GIVE BRAINLIEST
Answer:
B
Explanation:
SOMEONE HELP ME PLEASEEEE ILL MAKE BRAINLIST OR WHATEVER HOW UTS CALLED
Answer:
this would be layer 1
Explanation:
it is closest to the surface which means it will have the most recent fossil if you had a question that said what layer has the oldest fossils it would be 4
HELP PlEASE
Which of the following is NOT a factor that affects climate? Question 6 options: how close you are to the equator how close you are to the ocean how close you are to mountains these all affect climate
Answer:
these all affect climate
Explanation:
The climate of a place is driven by altitude, latitude, and nearness to the ocean, nearness to the equator. The climate is not affected by time, but is affected by all the physical factors such as the earth's rotation, the axial tilt of angle of inclination of sun.How does the electromagnetic spectrum arrange different types of radiation?
a. By color
b. By how fast they go
c. By how much energy they carry
Answer: c i think
Explanation:
Just need to identify this stuff
Answer:
ok!
Explanation:
Organic debris- PP
Aquatic plants- PP
Aquatic insects- primary consumer
Crayfish- primary consumer
Larger fish- secondary consumer
Small fish- secondary consumer
Osprey- tertiary consumer
Bald eagle- seconday consumer
Seagull- secondary consumer
Rodent- primary consumer
Seal- tertiary consumer
Nothern Harriet- secondary consumer
Plant seeds and roots- PP
hope this helps do telll me if any of them r wrong! :D
The main part of a cell that maintains homeostasis is the ______________.
A. The nucleus
B. Cell membrane
C. The head
D. The cytoplasm
Answer:
B. Cell membrane
Explanation:
Help help please!!!!
Answer:
1. Esophagus
2. Small Intestine
What are alveoli? A. Carbon dioxide molecules B. Part of a red blood cell C. Tubes that connect to the lungs D. Air sacs used during respiration
Answer:
D
Explanation:
Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going.
The three general requirements for resisting disease are:
eating foods that will give you the proper nutrition
exercising
eating foods high in calories
getting plenty of rest
taking lots of vitamins
Answer: eating foods that will give you the proper nutrition
exercising
getting plenty of rest
Explanation:
what is national heritage
What are symptoms associated with female reproductive diseases and disorders?
Check all that apply.
bloating
irregular bleeding
impotence
abdominal cramps
sterility
erectile dysfunction
Answer: Bloating, irregular bleeding, abdominal cramps, sterility
Explanation:
Ozone in the stratosphere is a form of air pollution,
True or False?