Most climate scientists agree the main cause of the current global warming trend is human expansion of the "greenhouse effect"1 — warming that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere block heat from escaping.
Based on this exert, I'd say Option C
It’s b, biocrusts help the environment
Answer:
D
Explanation:
the only arrow that points out of the atmosphere is D
Answer:
Sty I have not learned this yet hopefully i will next year
