The gaseous envelope surrounding our earth is called:
Atmosphere
Lithosphere
Hydrosphere
Biosphere
Sphere of life is:
Atmosphere
Lithosphere
Hydrosphere
Biosphere
Which gas shields us from dangerous ultra violet rays of the sun?
Carbon Dioxide
Oxygen
Ozone
Nitrogen
Due to which gas, life is possible on Earth?
Carbon Dioxide
Oxygen
Ozone
Nitrogen
What is the percentage of population settled in the plains?
10
20
40
80
0
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