Name three greenhouse gases.

Important Questions on Pollution of Water and Air

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 19 - Pollution of Water and Air>EXERCISES>Q C

What should be done to reduce water pollution due to sewage and industrial waste?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 19 - Pollution of Water and Air>EXERCISES>Q D

Rivers have always been used to dump waste. How is it that pollution of rivers is becoming more alarming now than it was before?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 19 - Pollution of Water and Air>EXERCISES>Q D

What are the cause and effects of eutrophication?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 19 - Pollution of Water and Air>EXERCISES>Q D

Give four methods of conserving water.

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 19 - Pollution of Water and Air>EXERCISES>Q D

What is SPM? What harm does SPM pollution cause?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 19 - Pollution of Water and Air>EXERCISES>Q D

Why is carbon monoxide considered to be such a dangerous pollutant?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 19 - Pollution of Water and Air>EXERCISES>Q D

Carbon dioxide in air is essential as plants use it to make food. When does it become a pollutant? What damage does it cause?

EASY

8th CBSE

IMPORTANT

Living Science 8>Chapter 19 - Pollution of Water and Air>EXERCISES>Q D

What is acid rain? What is it caused by?