The word geothermal is used to describe the energy heat that is hides low land. Geothermal energy is generated due to the heat of the lava, volcanoes or land cracks that transfer heat to different layers of the crust. That energy is used today apra to heat homes or facilities in a way ecological and low cost. The springs thermal hot water where you can swim even in winter are examples of water heated naturally by geothermalenergy sources.
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