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 millimeter
1 inch
1 meter

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Environmental Science
Although the polar regions radiate away more heat energy than they receive by insolation in the course of a year, they are prevented from becoming progressively colder each year by the:

Conduction of heat through the interior of the earth
Release of latent heat to the atmosphere when polar ice melts
The insulating properties of snow
Circulation of heat by the atmosphere and oceans
Concentration of earth's magnetic field lines at the poles

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Environmental Science
If a glass of water were surrounded by saturated air:

The level of the water in the glass would not change
The water's temperature would slowly decrease
The water's temperature would slowly increase
The level of the water in the glass would slowly decrease

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