What is the term for the energy obtained from hot, underground rocks?
Geothermic gradient Geothermy Geothermal (geology) Geothermal Thermogeology Geotherm Geothermal gradient Geothermal gradients
geothermal gradient geothermic gradient geothermy geothermal geotherm geothermal geology thermogeology geothermal gradients
geothermal
WikipediaEntity
Geothermal