Answer:
c
Explanation:
Gas exchange. Gas exchange occurs as a result of respiration, when carbon dioxide is excreted and oxygen taken up, and photosynthesis, when oxygen is excreted and carbon dioxide is taken up. The rate of gas exchange is affected by: the area available for diffusion.
Answer:
equal
Explanation:
it is equal ....mejejwiidifr
Nuclear division occurs in mitosis.
A. they divide in two
i dont know b sorry