Nitrates are used by plants to make amino acids and proteins. Most of the phosphorus cycle takes place at ground level. Phosphate is released by the slow breakdown of rocks. What two main biological processes are responsible for the cycling of oxygen?
Alabany according to g0ggle ;))
Xx is the answer tell me if I'm wrong.
Answer:
Label A is the amino group
Label B is the R group
Label C is the carboxyl group
Explanation:
I believe the answer would be true