This energy is extracted from deep within the earth. The temperatures within the earth can reach upwards of 4,000 °C (7,200 °F). By using water, this heat is transferred to the surface. It can be used for many different purposes.

A. Geothermal
B. Biofuel
C. Fuel Cells

Respuesta :

the answer is geothermal because it uses the heat from the mantle