Solved UPSC CDS/OTA Question
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Q · Internal Structure of The Earthmedium · 45s
What is the source of geothermal energy?
TopicInternal Structure of The Earth
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Geothermal energy originates from the heat produced inside Earth by radioactive decay and residual formation heat.
Final Answer: Option B - Earth's internal heat from radioactive decay and residual heat