Question

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

Answer 1

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i)The envelope of gases surrounding the earth or another planet is called Atmosphere..

ii) The two gases that make the bulk of the atmosphere are:

• Oxygen (21%)
• Nitrogen (78%)

Answer 2

Answer:

this is the answer of your question

Explanation:

(ii)An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body. An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low.

(ii) oxygen and nitrogen