Environmental Science
According to Wein's displacement law, the wavelength at which maximum radiation occurs

Is proportional to the temperature
Is inversely proportional to the temperature
Is inversely proportional to the pressure
Is proportional to the pressure

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Environmental Science
During an equinox:

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

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