Question

Define atmosphere.

Answer 1

Atmosphere

• The blanket of air that surrounds the earth is called the atmosphere.
• It extends to about 560 kilometres above the earth. The composition of the atmosphere is not uniform throughout.
• It is dense near the ground and gets thinner as we go higher and higher.
• The presence of an atmosphere is very important for us.
• It traps solar energy and helps in maintaining the right temperature for the survival of living organisms on the earth.
• The ozone layer protects us from the harmful ultraviolet rays of the sun.