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Environmental Science

Environmental Science
The planet with a strong greenhouse effect, whose surface temperature averages 480oC (900oF) is:

Pluto
Mars
None of these
Earth
Venus

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Environmental Science
What is "Black Lung"?

Occupational Hazard to the miners
Occupational Hazard to pesticide applicators
None of these
Occupational Hazard to navigators

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Environmental Science
If all the water vapour in the atmosphere were to condense and fall to the ground, the globe would be covered with about ______ of water.

1 foot
1 meter
1 inch
1 millimeter

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Environmental Science
The sun emits its greatest intensity of radiation in:

The ultraviolet portion of the spectrum
The visible portion of the spectrum
The x-ray portion of the spectrum
The infrared portion of the spectrum

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Environmental Science
The percentage of water vapour present in the air compared to that required for saturation is the:

Mixing ratio
Absolute humidity
Dew point
Specific humidity
Relative humidity

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Environmental Science
Ultraviolet radiation which is not lethal but harm to the organism is

0.32-0.4
0.1 to 0.28
0.4-0.5
0.28-0.32

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