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Environmental Science

Environmental Science
Commonly used radioactive isotopes in scientific research

32 P
14 C
all of these
125 I

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Environmental Science
As the air temperature increases, with no addition of water vapor to the air, the dew point will:

Decrease
Remain the same
Increase
Increase and become equal to the air temperature

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Environmental Science
Heat waves are generally considered to be little more than a nuisance and are not responsible for considerable loss of life.

1

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Environmental Science
The temperature scale that sets freezing of pure water at 32o F:

British
Fahrenheit
Celsius
Kelvin

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Environmental Science
Mobile combustion accounts

40-50% of air pollution
5-10 % of air pollution
50-60 % of air pollution
10-20% of air pollution

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Environmental Science
When water changes from a liquid to a vapour, we call this process:

Deposition
Evaporation
Freezing
Condensation
Sublimation

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MORE MCQ ON Environmental Science

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