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Environmental Science

Environmental Science
The atmospheric layer in which we live is called the:

Ionosphere
Troposphere
Stratosphere
Thermosphere
Exosphere

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Environmental Science
Of all of the energy production in the United States, what percentage is lost in distribution and inefficient use?

50
10
40
25

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Environmental Science
The total mass of water vapour stored in the atmosphere at any moment is about ____ of the world's supply of precipitation.

1 week
1 month
1 year
1 day

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Environmental Science
The combustion of waste in the absence of Oxygen is called

Pyrolysis
Hydrolysis
Haemolysis
None

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Environmental Science
Warming in the stratosphere is mainly caused by:

Frictional heating caused by meteorites
Chemical reactions between ozone and chlorofluorocarbons
Release of latent heat energy during condensation
Absorption of ultraviolet radiation by ozone

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Environmental Science
World's most problematic aquatic weed is

eichornia
azolla
wolffia
trapa

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