Answer:
Crude oil is the main source
Explanation:
hope it helps
Pls mark as brainlist
Answer:I believe the answer is A
Explanation:
B and C have nothing to do with how the sun helps or is a necessity. D only talks about the life span of the sun not how it is necessary for the earth. A is the only answer that makes sense because it gives examples on how the sun helps the earth as well as human kind.
Answer:
A community includes both Biotic and Abiotic components of the environment.
Explanation:
