What is earth’s inner core? - ProProfs Discuss
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What is earth’s inner core?



A. A dense ball of solid metal
B. A layer of molten metal
C. A layer of hot rock
D. A layer of rock that forms Earth’s outer skin

This question is part of 8th Grade Science EOC Test
Asked by Coulter, Last updated: May 12, 2020

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3 Answers

Gerry Shawn

Gerry Shawn

Answered Sep 19, 2019

A. A dense ball of solid metal

 

T. ADAMS

Here to relax my mind a bit

T. ADAMS, Senior Executive, MBA, Andalusia

Answered Sep 18, 2019

The correct answer to this question is A, A dense ball of solid metal. The inner core is the innermost section of Earth. The inner core is very hot and it is thought that it is just as hot as the surface of the Earth. Early on, the inner core was though to be liquid, but this was proved wrong in 1936.

Inge Lehmann, who is a seismologist, provided that the inner core was instead a solid, while the outer core was liquid. The belief is that the inner core is made of a metal and that metal is thought to be an iron-nickel alloy.

 

John Smith

John Smith

Answered May 23, 2017

A. a dense ball of solid metal
 

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