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.
If you are wanting to know what that is in English, the answer is 'How do I intentionally vomit?' If you want to know how to do that, I guess stick your finger down your throat.
Answer:
answer is 2 for both cuz they both have the 2 subscript next to hydrogen
Because the Epiglottis covers the Larynx
We live<span> in the Holocene.
Hope this helped :)</span>
