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Environmental Science

Environmental Science
The green house gases, otherwise called radioactively active gases includes

Carbon dioxide
All of these
CH4
N2O

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Environmental Science
The crucial species that determine the ability of large number of other species is termed as _________ species.

Important
Significant
Keystone
Crucial

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

0.91
0.51
0.71
0.61

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Environmental Science
In July, at middle latitudes in the Northern Hemisphere, the day is ____ long and is ____ with each passing day.

Less than 12 hours; getting shorter
More than 12 hours; getting longer
Less than 12 hours; getting longer
More than 12 hours; getting shorter

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Environmental Science
The main atmospheric layer near the surface of earth is

troposphere
mesophere
stratosphere
ionosphere

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Environmental Science
Minamata disease was caused by pollution of water by

Mercury
Tin
Methyl iso cyanate
Lead

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MORE MCQ ON Environmental Science

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