Question

What is atmosphere?

• A. A blanket of oxygen that exists around the Earth.
• B. A blanket of carbon dioxide that exists around the Earth.
• C. A blanket of gases that exist in the Earth.
• D. A blanket of air that exists around the Earth.

Answer 1

The correct option is D A blanket of air that exists around the Earth.

Atmosphere is a blanket of air that exists around the Earth. The extent of atmosphere is upto 10,000 km above the Earth’s surface.

Composition of Atmosphere:
Nitrogen 78%
Oxygen 21%
Other gases 1%