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Environmental Science

Environmental Science
The dew point temperature is a measure of the total amount of water vapor in the air.

1

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Environmental Science
If very cold air is brought indoors and warmed with no change in its moisture content, the saturation vapor pressure of this air will______ and the relative humidity of this air will_____ .

Increase, decrease
Increase, increase
Decrease, decrease
Decrease, increase

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Environmental Science
The term Ecosystem was coined by

Elton
Clements
Arthur G Tansley
Odum

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Environmental Science
Freshwater protozoans react to a/an __________ environment by removing water through _______

hypertonic, a contractile vacuole
hypotonic, a contractile vacuole
hypotonic, turgor pressure
isotonic, a contractile vacuole

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Environmental Science
Which country contains about 50% of the world's coal resources?

United States
China
Canada
The former Soviet Union

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Environmental Science
A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as

Pyramid of number
Ecological pyramid
Pyramid of energy
Pyramid of biomass

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