Question

(i) What is atmosphere?
(ii) Which two gases make the bulk of the atmosphere?​

Answer 1

Answer:

1.the envelope of gases surrounding the earth or another planet is called atmosphere

2. The two gases that make the bulk of the atmosphere are:

Oxygen (21%)

Nitrogen (78%)

Answer 2

Answer:

1.our Earth is surrounded with a blacket of air is called atmosphere.

2. oxygen and nitrogen.