Question

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

• A. respiration
• B. transpiration
• C. decomposition
• D. photosynthesis

Answer 1

Answer:

D. photosynthesis

Blanket of the earth

• The atmosphere is the blanket of air surrounding the earth. It is the atmospheric gases such as oxygen 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.