Determine: 
Definitions:
Renewable Sources
Energy sources that are replenished naturally, such as solar, wind, water, and geothermal energy.
Fossil Fuels
Natural fuels formed from the remains of ancient plants and animals, such as coal, oil, and natural gas.
Amount of Supply
The total quantity of a particular good or service available for purchase at any given time.
Nonrenewable Sources
Energy sources that cannot be replenished in a short period, such as coal, oil, and natural gas.
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