Answer:
C. Alcohols
Explanation:
More bodies of warter are being contaminated by oil spills and pesticides,ethanol and dangerous metals
One axis would be seconds 1,2,3,4,5 ect. and the other axis would be feet 15,30,45,60,75 ect.
I believe it means some things you set out to do become harder and Difficult to get out of, But you should think of the best option to do and make the best out of a bad situation.