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Environmental Science

Environmental Science
Air pollution can be of

natural origin
b only
artificial or man made origin
both a and b

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Environmental Science
The temperature to which air must be cooled in order to become saturated is the:

Wet-bulb temperature
Minimum temperature
Dew point temperature
Freezing point

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Environmental Science
Forests grow in high rain fall areas are

temperate forests
conifers
ever green forests
Tundra

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Environmental Science
________ is diffused into the ground by gravitational force.

Rain water
River water
Ocean
None of these

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Environmental Science
According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the _______ power.

Tenth
Negative third
Zeroeth
Fourth

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Environmental Science
Suppose last night was clear and calm. Tonight low clouds will be present. From this you would conclude that tonight's minimum temperature will be:

Lower than last night's minimum temperature
The same as last night's minimum temperature
Above freezing
Higher than last night's minimum temperature

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