Multiple choice

What is true about crust ?

  1. It is the uppermost layer over the earth's surface

  2. It is the thinnest of all the layers

  3. Crust is about 35kms on continental masses & 5kms on ocean floors

  4. All are true
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The crust is indeed the uppermost layer of the Earth and is the thinnest of all three layers, accounting for only a tiny fraction of the Earth's volume. It varies in thickness, averaging about 35 km on continental masses and only about 5 km on ocean floors. Therefore, all statements are correct.

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