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Environmental Science

Environmental Science
Which of the following is an extinct species?

Lion
Dodo
Tiger
Ostrich

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Environmental Science
BOD of a river water is found very high. This means water

contain many dissolved minerals
is clear
is highly polluted
contain Algae

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Environmental Science
The major pollutant from automobile exhaust is

Soot
CO
NO
SO2

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Environmental Science
If the air temperature remains constant, evaporating water into the air will ____ the dew point and ____ the relative humidity.

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

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Environmental Science
"Smog" is a mixture of

Smoke and Fog
Snow and Dust
Sulphur Dioxide and Fog
Snow and Fog

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Environmental Science
Heat is energy in the process of being transferred from:

Regions of low density toward regions of high density
Low pressure to high pressure
Hot objects to cold objects
High pressure to low pressure
Cold objects to hot objects

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