Question

how is earth's mantle is measured?​

Answer 1

Answer:

The mantle is the mostly-solid bulk of Earth's interior. The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. The mantle is about 2,900 kilometers (1,802 miles) thick, and makes up a whopping 84% of Earth's total volume. ... Over millions of years, the mantle cooled.

Explanation:

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Answer 2

Answer:

The earth seems to be fairly solid as we stand on its surface. Next is the lower mantel which extends from 410 miles to 1,678 miles below the surface of the earth. ... It is hotter and denser than the layers above.