Solved UPSC CDS/OTA Question
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Q · Internal Structure of The Earthmedium · 45s
Which layer is responsible for generating Earth’s internal heat?
TopicInternal Structure of The Earth
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The core, especially radioactive decay within, generates heat that drives mantle convection and plate tectonics.
Final Answer: Option D - Core