Which is the most prevalent source of agricultural water pollution?
a) pesticides
b) irrigation
c) sedimentation
d) nutrients

The most prevalent source of agricultural water pollution is pesticides

Explanation:

Pesticides are majorly inorganic compounds formulated to kill pests, vectors. it has been in existence for long, and also because of runoff its a major cause of water pollution as a result of excessive usage of it on farmland.

check for the pregnancy rating of drug. if its class c or d see if other alternatives

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.