What are some interesting facts about the earth's crust?

Answer:
  • The crust is the outermost layer of the Earth.
  • It is 5 to 40 km thick, but can be up to 70 km thick beneath mountains.
  • The crust makes up less than 1% of the Earth's total mass.
  • The crust is divided into 2 sub-layers: continental and oceanic.

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First answer by ID1533953772. Last edit by Eechesman. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].