Question

why does flow of acid rain water into river make the survival of aquatic life difficult

Answer 1

Acid rain water when flows into the river the pH of river water changes, which makes the aquatic life difficult to survive, the pH range suitable for aquatic survival is 7.0 to7.8 and due to acid rain water pH decreases.

Answer 2

acid rain consists of acid when it gets mixed into water acid causes aquatic organisms difficult to live as river is now mixed with acid so aquatic organisms find it difficult to live..