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प्रश्न
Geothermal energy is produced by the:
(a) fission of radioactive materials
(b) burning of coal inside the coal mines
(c) combustion of natural gas deep inside the earth
(d) fusion of radioactive substances
उत्तर
fission of radioactive materials
Geothermal energy is obtained by the fission of radioactive materials that are naturally present in the hot rocks inside the earth.
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