Question

• Tick mark the correct alternative in the box with pe
1. When is a water-body said to be polluted?
(A) When there are many dead fishes in the water.
(B) When it smells foul and shows blackish or turbid
appearance.
(C) When there is heavy growth of weeds in the
water bodies
(D) All the above.​

Answer 1

Answer:

option D is the Answer All the above