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ENVIRONMENTAL SCIENCE

Environmental Science
Mobile combustion accounts

50-60 % of air pollution
10-20% of air pollution
5-10 % of air pollution
40-50% of air pollution

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Environmental Science
The range of normal human hearing is in the range of

50 Hz to 80 Hz
10 Hz to 80 Hz
50Hz to 15000 Hz
15000 Hz and above

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Environmental Science
At which temperature would the earth be radiating energy at the greatest rate or intensity?

105o F
-5o F
-40o F
60o F
32o F

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Environmental Science
The ocean covers ________ percentage of Earth's surface.

0.71
0.91
0.61
0.51

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Environmental Science
The mean of annual rainfall in India is

85 cm
110 cm
110 m
110 mm

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