I believe that the best definition of the word common in environmental science is a typical resource. A typical resource is a resource that is not hard to find and is very common. The answer to the question will hence be A.
The answer could not be the other three choices because a shared resource is a resource that is used by more than one organism in the environment. A worthless resource is one that has no use in the environment while a rare resource is one that is hard to find.
Answer:
Decomposition
Explanation:
First, you have one compound, then they break up, or decompose, into two compounds.
Answer:
i am pretty sure it is compound
Answer:
I remember doing this in 7th,
1. D
2. B or D, more leaning on B though
3. A