Answer:
C
Explanation:
deer are alive and therefor biotic. As they graze they eat grass, walk on land and use oxygen, - all parts of the environment
Enzymes speed up the chemical reaction that takes place in cells. they are also important for digestion and metabolism.
Plankton is the organisms that form the base of most open ocean food webs because fish eat plankton and bigger fish like sharks eat the little fish that eats the plankton.
In protains, DNA, RNA, and chlorophyll.
2.23795229 × 1022<span> m</span><span>2 please mark as brainless answer</span>