Very low gives free energy
True, because most chemical reactions have more moles but not really.
Also that they decompose better. "not really"
I believe it is the fourth choice because the producer would use sunlight to make food, then the next choice fhat has anything to do with the producer is [D]. if i’m wrong i’m sorry but I believe that would be the write anwser.
I believe the answer is concentration
Sorry if I’m wrong hope this helps
C. Sn (tin) is a metal, Si (silicon) is a metalloid, and C (carbon) is a nonmetal