Carbon dioxide and oxygen are two molecules that undergo this simple diffusion through the membrane.
Answer:
<em>"Dates the remains of organisms to determine when they died"</em>
Explanation:
Carbon-14 dating is more commonly known as carbon dating, and uses radiocarbon to determine how old an organism, for example, is.
Answer:
D
Explanation:
because it shows the features of a bird
The answer is D. Carbon cycle