Environmental Science
How much radiant energy will an object emit if its temperature is at absolute zero?

Depends on the chemical composition of the object
None
The same as it would at any other temperature
The maximum theoretical amount

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Environmental Science
During an equinox:

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
All of these

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