Respuesta :

Answer:

geothermal

Explanation:

Geothermal energy is heat within the earth. The word geothermal comes from the Greek words geo (earth) and therme (heat). Geothermal energy is a renewable energy source because heat is continuously produced inside the earth.

Geothermal because solar is the sun and that’s out side the earth and wind and water have nothing to do with heat
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