Question

Which of the following agricultural practices have been primarily responsible for pollution of our water resources?

1.Use of livestock manure.
2.Use of chemical fertilizers.
3.Excessive use of chemical pesticides. 4.Excessive use of vehicles.​

Answer 1

Answer:

3.Excessive use of chemical pesticides but i am not sure

Answer 2

Use of chemical fertilisers and excessive use of chemical pesticides are primarly responsible for pollution of our water resources.

so correct option is 2 and 3 .

hope it helps you army.