Units and Conversions

AP Environmental Science · Learn by Concept

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AP Environmental Science › Units and Conversions

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1

The kilowatt-hour is a unit that is used to quantify __________.

energy use

CORRECT

amounts of air pollution

0

rates of erosion and weathering

0

rate of deforestation

0

changes in pH

0

Explanation

A kilowatt-hour is a unit of energy equal to one thousand watt-hours. A watt-hour is the amount of energy used to power a hypothetical device for one hour that requires one watt of energy to function. Thus, a kilowatt-hour is used to measure energy consumption.

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