What energy source uses the earth's heat to supply energy? Nuclear power plant Heat harvester D Geothermal power plant Solar panels

The correct answer is C. Geothermal power plant.<br /><br />Geothermal power plants use the Earth's internal heat to generate electricity. This heat is harnessed from underground reservoirs of steam and hot water, which are then used to drive turbines and produce electricity. Geothermal energy is a renewable and sustainable energy source that has a minimal impact on the environment compared to other energy sources.