Answer:
Slow-flowing areas usually contain a lot of oxygen
Slow-flowing areas are usually found near the source.
Slow-flowing areas usually support a lot of plant life.
Explanation:
Option A that is UNKNOWN is right answer.
(B) pronoun
A simple subject can either be a noun or a pronoun.
<span>a. Argue for or against the limitation of speed limits.</span>
A. Is the answer your looking for