Answer:
b. can be highly variable depending on season and rainfall.
Explanation:
It is called amino acids,amino acids are molecules composed of atoms of carbon, hydrogen,nitrogen, oxygen, and in some cases sulfur. Hope this helps
The answer that you are looking for is Chloroplast.
The reason why this is the answer is because the Chloroplast allows plants to make food with the help of sunlight.
I hope this helped :)
