D. Oxygen
It refers to the pathway by which a chemical element is moved through both the abiotic and biotic compartment of an ecosystem.
Answer:
They should not it is as simple as that however this is an opion based question.
Explanation:
Why your born with what your born with and changing that is not being true to yourself. Also whats the point
bring change in the genetic basis of a population
No , it didn't increase cases of addiction.