Question

define core
with the help of diagram​

Answer 1

Explanation:

Earth's core is the very hot, very dense center of our planet. The ball-shaped core lies beneath the cool, brittle crust and the mostly-solid mantle. The core is found about 2,900 kilometers (1,802 miles) below Earth's surface, and has a radius of about 3,485 kilometers (2,165 miles). Earth's inner core is the innermost geologic layer of the Earth. It is primarily a solid ball with a radius of about 1,220 kilometres, which is about 20% of the Earth's radius or 70% of the Moon's radius. There are no samples of the Earth's core available for direct measurement, as there are for the Earth's mantle.

Answer 2

Answer:

Hey mate, here is your answer.

Explanation:

The structure of the Earth is divided into layers. These layers are both physically and chemically different. The Earth has an outer solid crust, a highly viscous mantle, a liquid outer core, and a solid inner core.The shape of the earth is an oblate spheroid, because it is slightly flattened at the poles and bulging at the equator

The boundaries between these layers were discovered by seismographs which showed the way vibrations bounced off the layers during earthquakes. Between the Earth's crust and the mantle is a boundary called the moho. It was the first discovery of a major change in the Earth's structure as one goes deeper.

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