Question

scientists know exactly what the composition is of each layer of Earth interior.
true or false?​

Answer 1

Answer:

False

Explanation:

The composition of earth is unknown till

Answer 2

Answer:

here's your answer dear

true

Explanation:

Core, mantle, and crust are divisions based on composition. The crust makes up less than 1 percent of Earth by mass, consisting of oceanic crust and continental crust is often more felsic rock. The mantle is hot and represents about 68 percent of Earth's mass. Finally, the core is mostly iron metal.

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