Proctor

Biology

12 January, 06:57

Biogeochemical cycles:

a. only include processes conducted by or within living organisms.

b. pertain only to the abiotic environment.

c. describe the movement of water and other materials through abiotic and biotic interactions.

d. only pertain to exchanges and interactions that occur within the atmosphere.

e. are used to describe the attempts of humans to recycle various pollutants.