What created the different layers of the earth?

1 Answer
Don Mac
Apr 22, 2016

Basically a process called "differentiation" - heavier elements sank down towards the core and lighter elements tend to rise up.

Explanation:

Differentiation whereby dense minerals move downward and higher elements rise up is thought to be a process the formal a core and mantel in most of the planets in our system. See pic....

http://www.faculty.virginia.edu/rwoclass/astr1210/guide12.html image source here

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