Geothermal energy comes from the heat inside the earth: steam, hot springs and volcanic activity. It is most available in regions where the earth’s crust comes together or separates to form a rift, such as in east Africa, or in a volcanic belt like the Pacific Ring of Fire that links the America and Asia.
Geothermal energy is a calefaction that caused by a strong pressure from the earth’s core, sometimes by the hot water is a resource that occur when the groundwater descending from the earth's surface meets the molten magma ascending from the earth's core which caused by it’s extremely hot environment. This energy considered as a naturally clean energy with carbon dioxide emission 90% lower than that on oil-fired energy.
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