Which layer of the earth is a solid and why? - ProProfs Discuss
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Which layer of the earth is a solid and why?



This question is part of Earth Layers Quiz
Asked by Wyatt Williams, Last updated: May 29, 2020

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4 Answers

coucha

coucha

Answered Apr 21, 2019

D, because it is the good part of the earth.

 

M. Parker

M. Parker, Internet Researcher, Houston

Answered Feb 01, 2019

The layer of the Earth that is solid is the inner core. It is mostly made up of a solid ball of iron-nickel alloy and other elements with a radius of about 760 miles or 1, 220 kilometers. Though it is a solid layer, its temperature is as hot as the sun’s surface that is approximately 5, 430 °C/9,806 °F or 5,700 K.

The inner core was discovered by Inge Lehmann, a Danish seismologist, when she was studying earthquakes’ seismographs in New Zealand. It was resolved that the outer core is a molten layer when compressional waves can pass through while shear waves cannot pass through the inner layer.

 

John Adney

John Adney

Answered Oct 25, 2017

The inner core is solid because of the high pressure and temperature

 

John Smith

John Smith

Answered Nov 13, 2016

The inner core is solid because of the sky high pressure and temperatures.
 

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