Question
Explain the earth's crust and its parts.

Answer

  • The center of the earth is about $6370 \ km$ deep from the earth's surface.
  • It is not possible to reach the center of the earth and observe its inner form. Scientists divide the Earth's internal structure into three main sections based on some direct and indirect sources.
$(1)$ Soft cover, $(2)$ Mixed cover, $(3)$ Underground.

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