Question

Define atmosphere.

Answer 1

Atmosphere- The layers of gases that cover the surface of the earth is called an atmosphere.

Important points about atmosphere-

1. It extends up to hundreds of kilometres in space.

2. It consists of 5 layers namely

1. Troposphere
2. Stratosphere
3. Mesosphere
4. Thermosphere
5. Exosphere

3. The majority of the atmosphere exists up to around 15 km from the surface and is called the troposphere.