Question

Mantle begins at a depth of around _______ from the earth's surface​

Answer 1

Answer:

25 miles / 40 kilometers

Explanation:

It begins about 25 miles (40 km) below the Earth's surface. It reaches 1,800 miles (2,897 km) deep into the Earth. The mantle is very hot. The parts near the core reach 4,000° F (2,204° C).

Answer 2

It was previously thought that Earth's lower mantle, which begins at a depth of around 700 km and forms the major part of the mantle, is fairly uniform and varies only gradually as it goes deeper.

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