Question

Q.1 Mention any three important roles of water required for
organisms on the earth's surface.
Q.2 What are the harmful effects of air pollution
Question.3
(a) Explain how soil pollution is caused ?
(b) Write three ways to prevent soil pollution
Q.4 Define biosphere. Name its components.
Q.5 Name two natural resources available on the earth. I​

Answer 1

Answer:

Q.2 What are the harmful effects of air pollution

Question.3

(a) Explain how soil pollution is caused ?

(b) Write three ways to prevent soil pollution

Q.4 Define biosphere. Name its components.