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Environmental Science

Environmental Science
CFCs are used as

refrigerants
insulators
All listed here
aerosol propellants

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Environmental Science
The hottest atmospheric layer is the:

Thermosphere
Troposphere
Mesosphere
Stratosphere

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Environmental Science
Which of the following is considered a variable gas in the earth's atmosphere?

Argon
Nitrogen
Oxygen
Water vapor

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Environmental Science
Gas released during photosynthesis is

Nitrogen
Methane
Oxygen
Carbon dioxide

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Environmental Science
The biosphere encompasses the total __________ of living material in a region or the globe.

Photosynthesis
Weight
Animal population
Diversity of species

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Environmental Science
The deepest radiation inversion would be observed:

At the equator any day of the year
At the top of a high mountain in winter
In a deep valley during the summer
On a desert in winter
In polar regions in winter

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