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Nonrenewable Natural Resource
A natural resource that cannot be replaced or replenished once it is extracted or consumed, such as fossil fuels or minerals.
Solar Power
The conversion of energy from sunlight into electricity, either directly using photovoltaics or indirectly using concentrated solar power.
U.S. Electricity Generation
The process of producing electrical power in the United States through various sources like fossil fuels, nuclear, and renewable energies.
Primary Sources
Original materials or evidence from the time being studied, used by researchers to analyze and interpret historical events or phenomena.
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