Question

Explain what is core?​

Answer 1

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The central, innermost, or most essential part of anything. Also called magnetic core.

Answer 2

The usually inedible central part of some fruits (as a pineapple or pear) 2 : the central part of a heavenly body (as the earth or sun) 3 : the central or most important part of something the core of a golf ball the core of a problem .

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).