Solved UPSC CDS/OTA Question
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Q · Internal Structure of The EarthMedium · 45s
Which layer of the Earth is semi-molten and allows plate movements?
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 asthenosphere is a partially molten, plastic layer within the upper mantle, facilitating plate tectonics.
Final Answer: Option B - Asthenosphere