Question

why does the flow of acid rain water into river make the survival of Aquatic life in the river difficult?​

Answer 1

Answer:

Acid rain water, if mixed with river water, lowers its pH below 5.6, i.e., makes river water acidic. But the living body works normally within a pH range of 7-7.8. That's why flow of acid rain water to river makes the survival of aquatic life in the river difficult.

Explanation:

Answer 2

Acid rain water, if mixed with river water, lowers its pH below 5.6, i.e., makes river water acidic. ... That's why flow of acid rain water to river makes the survival of aquatic life in the river difficult.