Question

which word means the opposite of foul, as in "If you foul the rivers and streams with trash, the fish will not survive"?

A.
pollute

B.
drain

C.
enjoy

D.
cleanse

Answer 1

D- Cleanse.
Hope this helps!

Answer 2

D. cleanse. In this case foul means to pollute or dirty so the opposite is to cleanse.

Hope that helps.