A bone is tested, and its C-14 to C-12 ratio is nearly identical to that of the bones of living animals. What can be said about the bone's absolute age?a. It is 5,730 years old.
b. It is much less than 5,730 years old.
c. It is slightly less than 5,730 years old.
d. It is slightly more than 5,730 years old.

Answers

Answer 1
Answer: Answer=B

The half life of C-14 is 5,730 years. Seeing as the C-12 C-14 ratio is nearly the same, the tested bone is much younger than 5,730 years old.
Answer 2
Answer:

B. It is much less than 5,750 years old.

Hope it helps.


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How do ocean currents affect weather in areas close to shore?

Answers

Answer:

Warm and cold ocean currents can affect the climate of an area along the coast if the winds blow in from the ocean. Warm ocean currents heat the air above the water and carry the warm air to the land.

Explanation:

Hope this helped :)

Answer:

Warm and cold ocean currents can affect the climate of an area along the coast if the winds blow in from the ocean. Warm ocean currents heat the air above the water and carry the warm air to the land, increasing the temperature of the coastal region.

Explanation:

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Natural selection would favor which of the these rabbits in Antarctica? A) brown rabbit B) white rabbit C) black rabbit D) white-and-black rabbit

Answers

The rabbit which has the highest adaptation are the white rabbits and they are mostly found in the areas with the highest adaptation. The correct answer is option B.

What is adaptation ?

It is the molding of one self as per the situations in which they are living and the situations if drastic they make themselves fit for it. It is same like natural selection and survival of fittest.

In Antarctica there is no much of terrestrial life found because of the adverse temperature and the harsh conditions thus the most commonly found will be the white because they have fur  on their body which is resistant to the colder temperatures and thus can live in colder regions.

In the colder regions, because white rabbits are faster they can run fast thus they have more of chemical reactions along with the high metabolism going inside their body and these can resist the urge to stay warm despite of the temperature in which  they are living.

Learn more about animals in Antarctica at :

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b cause they all blend in with snow so they can survive

An object at rest will stay at rest and an object in motion will stay in motion at a constant speed and in the same direction, unless acted on by an unbalanced force.” The statement above is Newton’s first hypothesis of motion because it makes a prediction. theory of motion because it is a widely accepted explanation. law of motion because it is a factual statement based on observations. explanation of motion because it is widely accepted and based on observations.

Answers

The statement that 'an object at rest will continue to stay at rest and an object in motion will stay in motion in same direction and at constant speed unless some external force acts on the object' is a law of motion. This statement describes a fact which is base don the observations made by Newton. It is universally true and hence, it is not a hypothesis, or theory but a law.

Hence, the correct answer is 'law of motion because it is factual and based on observations'.

This would be Newton's first law of motion as it is a factual statement based on observations.

To create a simulation of photosynthesis in a forest of 50,000 maple trees, a scientist needs to determine the average number of leaves on an actual maple tree. Which of the following is the best course of action for establishing this parameter?A. Determine the average number of leaves for 10 randomly selected maple trees.
B. Choose a value at random to represent the average number of leaves on a tree.
C. Count the number of leaves on a single tree and assume all trees are the same.
D. Divide the total number of leaves on all the trees in a forest by 50,000.

Answers

To create a simulation of photosynthesis in a forest of 50.000 maple trees, a scientist needs to determine the average number of leaves on an actual maple tree. The answer that is the best course of action for establishing this parameter is A) determine the average number of leaves for 10 randomly selected maple trees.

Answer:

A

Explanation:

during normal mitotic cell division a parent cell having four chromosomes will produce two daughter cells each containing what

Answers

Answer:

Equal number of chromosomes.

Explanation:

Mitosis may be defined as a type if cell division in which a single parent cells divides into daughter cells. This type of division occurs in the somatic cells of the organism.

Mitosis division is also known as equational division as the number off chromosomes remains equal in the daughter cells. The cells that contain four number of chromosomes, the daughter cells also contains the four number of chromosomes as mitosis is a type of equational division.

Thus, the answer is equal number of chromosomes.

Mitotic division produces diploid cells from diploid cells. So, if the parent cell has four chromosomes, then each daughter cell will also contain four chromosomes.

The longest interval of time is called

Answers

Eon. There are five eons of time.

The answer is eon. :)