Geothermal Energy PPT Free Download. Get paper presentation about What is Geothermal Energy, Basic Types and more on Geothermal Energy PPT. What is Geothermal Energy? Geo (Greek for earth) Thermal (heat) Temp. of Shallow Crust (upper 10 ft.) Constant 55-75°F (13-24°C) Up to 14,400°F (8,000°C) at Molten Core (approx. 4,000 mi. to center of core) [...]
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