explain the term geothermal energy. How can it be exploited. Though it is economical yet it is not harnessed in most of the countries why
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geothermal energy is the heat energy obtained from hot rocks present inside the earth.
it is a pollution free source of enegy.
the production of electricity by this method is cheap and environment friendly.
it is a pollution free source of enegy.
the production of electricity by this method is cheap and environment friendly.
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