Environmental Science
Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion?

Irrigation (cover the area with water)
All of these
Orchard heaters
Wind machines

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Environmental Science
During an equinox:

All of these
The earth is not tilted toward nor away from the sun
The days and nights are of equal length except at the poles
At noon the sun is overhead at the equator

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Environmental Science
The primary cause of a radiation inversion is:

Infrared radiation absorbed by the atmosphere and clouds
Solar radiation reflected by the earth's surface
Infrared radiation emitted by the earth's surface
Infrared radiation absorbed by the earth's surface
Solar radiation absorbed by the earth's surface

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