Question

What is meant by the term ‘atmosphere’. State the role played by the atmosphere for the survival of mankind.

Answer 1

• Air is present as a thick blanket surrounding the surface of the earth. The envelope of air around the earth is called the atmosphere.
• It extends to more than 700 km above the surface of the earth.
• Atmosphere is comprised of air which contains Oxygen that is essential for the survival of all living beings. Without our atmosphere, there would be no life on earth.