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Environmental Science

Environmental Science
The change of state of ice into water vapour is known as:

Crystallization
Sublimation
Deposition
Melting
Condensation

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Environmental Science
Ozonosphere seen in

stratosphere
ionosphere
thermosphere
mesophere

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Environmental Science
The most abundant greenhouse gas in the earth's atmosphere:

Water vapour (H2O)
Chlorofluorocarbons (CFCs)
Methane (CH4)
Nitrous oxide (N2O)
Carbon dioxide (CO2)

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Environmental Science
Example for a physical pollutant

Water
Plant
Radiation
Air

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Environmental Science
How much radiant energy will an object emit if its temperature is at absolute zero?

None
The same as it would at any other temperature
The maximum theoretical amount
Depends on the chemical composition of the object

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Environmental Science
Suppose two unsaturated air masses mix horizontally. The resulting mixture cannot possibly be saturated.

1

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MORE MCQ ON Environmental Science

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