Question

2. An envelope of the air surrounding the earth is called____​

Answer 1

Answer:

An envelope of the air surrounding the earth is called atmosphere.

Answer 2

Answer:

'Atmosphere'

Explanation:

The Earth is wrapped in a blanket of air called the 'atmosphere', which is made up of several layers of gases. The Sun is much hotter than the Earth and it gives off rays of light energy that travel through the atmosphere and reach the Earth's surface.