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Environmental Science

Environmental Science
At any given time, ______ of the earth is illuminated by the sun.

One-third
One-fourth
One-half
Two-thirds

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Environmental Science
The Native Place of Redwood trees?

Australia
Amazon
California
Thailand

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Environmental Science
Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains ______ water vapour and has a ________ relative humidity than the polar air.

More, higher
Less, higher
Less, lower
More, lower

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Environmental Science
Energy flow in ecosystem is

Bidirectional
Multidirectional
Unidirectional
None of these

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Environmental Science
The occurrence of pesticides like DDT in higher trophic levels is termed as

biopollution
biological enhancement
bioremediation
biomagnification

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Environmental Science
_________ is a mixture of 50 - 90% of methane

Water
Bio diesel
Air
Natural gas

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