Question

4.
Give one word for each of the following:
a) A layer of gases surrounding the earth
b) Harmful radiations coming from the sun
c) Maintenance of oxygen concentration in the atmosphere
d) A gas used by green plants to make their food
e) A gas present in air, which cannot be used directly by animals​

Answer 1

Answer:

A. atmosphere

B. ultra violet Ray's

C. carbon dioxide

D. Dont know

Hope its helpful

Answer 2

Answer:

A) ATMOSPHERE

B) ULTRAVIOLET RAYS

C) OXYGEN CYCLE

D) CO2

E) NITROGEN