The Atmosphere

The Atmosphere
The layer which protects the earth from being hit by meteoroids is
troposphere
mesosphere
thermosphere
stratosphere
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Everyday Science
The gas responsible for global warming is
oxygen
carbon dioxide
carbon monoxide
oxygen
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The Atmosphere
The atmosphere consists of
gases only
water vapors only
chemicals
gases and water vapors
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The Atmosphere
The amount of Nitrogen (N₂) present in dry air is
0.2
0.78
0.48
0.68
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Everyday Science
Percentage of nitrogen in the air is
0.78
0.21
0.0093
0.0004
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Everyday Science
Percentage of neon in the air is
0.0018
0.0019
0.002
0.0021
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Everyday Science
Percentage of carbon dioxide in the air is
0.78
0.21
0.0093
0.0004
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The Atmosphere
The temperature of the thermosphere is up to
120 °C
1200 °C
1800 °C
1000 °C
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The Atmosphere
The thermosphere is situated above
12 Km
50 Km
80 Km
10 Km
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The Atmosphere
Ozone gas (O₃) has
unpleasant odor
pleasant odor
no odor
orange color
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