Answer:
1.—The (more) variations in forms it can produce.
2.—Biologists often need to search for evidence (in the distant past).
3.—By revealing the forms of (extinct species).
4.— (Intermediate) fossils can help biologists.....
Answer:
The basic reproduction number
Explanation:
<em>It izz wat it izzzz!!!</em>
This is a neutral atom of chlorine.
