All AP Environmental Science Resources
Example Question #6 : Introductory Energy Topics
The kilowatt-hour is a unit that is used to quantify __________.
rates of erosion and weathering
amounts of air pollution
changes in pH
rate of deforestation
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.