Q: Carbon cycles quickly between organisms and
Options:
- (A) O2
- (B) DNA
- (C) comets
- (D) air
- (E) Aves
- (F) ocean
- (G) satellites
- (H) lung
Let's think step by step below.
Carbon cycles quickly between organisms and the atmosphere. Atmosphere is the blanket of air around the earth. Carbon cycles quickly between organisms and the blanket of air around the earth.
Thus, the answer is (D).