How does the flow of acid rain into a river make the survival of aquatic life in a river difficult ?

How does the creation of variations in a species promote survival ?

How does the energy flow here ?

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

How do acid rains occur? What are the effects of acid rains?

How do the acid rains influence the aquatic life ? What is our main responsbillty in safeguarding the aquatic life ?

What is acid rain? How is it formed?

How does the rain water reach from clouds to rivers or oceans?

How does climate effect our life style ?

How does the oxygen which is necessary for living organism to breathe reach the aquatic plants and animals ?

What are acid rains? How are they formed? Write the effects of acid rain.