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GK MCQs Section
Q. Which of the following is known as thinnest layer of the earth?
Answer: Crust
Notes: The crust is the outermost part of the lithosphere of the Earth.. It is usually distinguished from the underlying mantle by its chemical makeup. It is the thinnest layer as it extends only from 30-45 km on land and 5-10 km in the ocean.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app.

Question Number: 3 in General Studies Mock Test - 89 in above course in App.