Solved UPSC CDS/OTA Question
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Q · Internal Structure of The Earthmedium · 45s
What is the composition of Earth's crust?
TopicInternal Structure of The Earth
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Earth's crust is composed mainly of silicate rocks; continental crust is granitic while oceanic crust is basaltic.
Final Answer: Option B - Silicate rocks such as granite and basalt