The Atmosphere
The layer which protects the earth from being hit by meteoroids is
troposphere
mesosphere
thermosphere
stratosphere
mesosphere
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At every 1 km increase in altitude, the air gets aboutA. 10 ยฐC cooler
B. 6.5 ยฐC hotter
C. 6.5 ยฐC cooler
D. 20 ยฐC cooler
The compound which is responsible for acid rain is
A. sulfur
B. sulfur dioxide
C. sulfur trioxide
D. nitrogen
When ozone absorbs UV radiation, the energy is converted in to
A. light
B. sound
C. heat
D. electricity
The reformation of ozone in the stratosphere is powered by
A. ultraviolet radiation
B. atmospheric oxygen
C. sunlight
D. heat
The maximum amount of ozone (O3) is present in
A. troposphere
B. stratosphere
C. mesosphere
D. thermosphere
Ozone gas (O3) has
A. unpleasant odor
B. pleasant odor
C. no odor
D. orange color
The thermosphere is situated above
A. 12 Km
B. 50 Km
C. 80 Km
D. 10 Km
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