"Nonrenewable" refers to resources that are finite and cannot be replenished or regenerated on a human timescale once they are consumed. These resources are typically fossil fuels (like coal, oil, and natural gas), nuclear fuels, and certain minerals. Once depleted, nonrenewable resources take millions of years to form again, making their availability limited compared to renewable resources, which can be replenished naturally in a short period (like solar energy, wind energy, and biomass). The use of nonrenewable resources often raises concerns about sustainability, environmental impact, and energy security.
nonrenewable:
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