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Environmental Science

Environmental Science
Water vapour is:

A cloud droplet
A snowflake
A gas
A rain drop

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Environmental Science
Particulate pollutants are

all of these
are small solid particles released into the atmosphere
liquid droplets in atmosphere
are small solid particles and liquid droplets

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Environmental Science
Water from springs contain dissolved __________ compounds which are used to cure some skin diseases.

Carbon
Oxide
Nitric
Sulphur

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Environmental Science
Oil, coal and natural gas supply approximately __________ % of the energy used in the United States

81
10
25
40

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Environmental Science
Nitrogen gas returns to the atmosphere by the action of

Nitrifying bacteria
Denitrifying bacteria
Nitrate fertilizers
Nitrogen fixing bacteria

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Environmental Science
The proper order from shortest to longest wavelength is:

Infrared, visible, ultraviolet
Ultraviolet, infrared, visible
Visible, infrared, ultraviolet
Visible, ultraviolet, infrared
Ultraviolet, visible, infrared

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