Question

Atmosphere extends upto a height of _____ km above the Earth’s surface.

• A. 10000
• B. 20000
• C. 5000
• D. 12000

Answer 1

Answer:

A. 10000

Blanket of the earth

• The atmosphere is the blanket of air surrounding the earth. It is the atmospheric gases such as oxygen, nitrogen and carbon dioxide which play a major role in maintaining the earth as a life supporting planet.

• Plants play a major role in maintaining the balance of life supporting gases in required proportion through the process of photosynthesis.

• Atmosphere extends to about 10000 kilometres from the earth's surface. But about 97 percentage of the atmospheric air remains within 29 kilometres from the earth's surface.