I think none of the above...
<span>Diamond and graphite are both polymorphs of carbon. Polymorphism or allotrophy involves the existence of an element in more than one crystalline form, but similar physical state. An example of polymorphism is of carbon. The element carbon can exist in many forms, two such forms are graphite and diamond. Diamond can be converted into graphite, at a phase change point or transition point.</span>
Answer:
(of a substance) become concentrated inside the bodies of living things.
Explanation:
The answer is a negative externality