Question

(B) SO, and CO
(C) CO, and CO
(D) 0, and dust
20. The cause of pollution of underground water is
excessive use of:
(A) Insecticide
(B) Pesticide
(C) Chemical fertilizers
(D) All of the above​

Answer 1

Answer:

question 20

answer d ) all of the above

hope it helps.

thank you

@brutalguy :)