it is the innermost geologic layer of planet Earth​

Sagot :

CORE

Explanation:

CORE Something — usually round-shaped — in the center of an object. (in geology) Earth's innermost layer.

It is the innermost geologic layer of planet Earth​

Inner core is the innermost layer of the Earth. The Earth's inner core is the planet's deepest geologic stratum. It is basically a solid ball with a radius of around 1,220 km (760 mi), or roughly 20% of the Earth's radius or 70% of the Moon's radius.

There are no samples of Earth's core available for direct measurement, as there are for Earth's mantle. Information on Earth's core is largely derived through seismic wave analysis and the Earth's magnetic field. The temperature at the surface of the inner core is predicted to be around 5,700 K (5,430 °C; 9,800 °F), which is similar to the temperature on the Sun's surface.

The innermost layer of the earth

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