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Environmental Science

Environmental Science
The ocean covers ________ percentage of Earth's surface.

0.51
0.61
0.71
0.91

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Environmental Science
On which date was the Stockholm Conference on Human Environment held?

Dec 12th 1990
July 6th 1974
Aug 8th 1976
June 5th 1972

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Environmental Science
Often before sunrise on a clear, calm, cold morning, ice (frost) can be seen on the tops of parked cars, even when the air temperature is above freezing. This condition happens because the tops of the cars are cooling by:

Radiation
Latent heat
Conduction
Convection

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Environmental Science
_________ is the most commonly used unit of radiation

Gray
Curie
Becquerel
Rutherford

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Environmental Science
An ecosystem must have continuous external source of

minerals
All of these
food
energy

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Environmental Science
Normally rain water is slightly

Acidic
Pure
Oxidize
Toxic

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