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Category:	All Categories>topics>Earth characteristics>Earth structure>core (Earth)
Location:	Anywhere

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What on Earth is plate tectonics? Discussion and diagrams on plate tectonics and the structure of the earth for beginners with link to a detailed version: This Dynamic Earth for more information. (Score: 1.000)

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About core (Earth):

Definition: Central zone or nucleus of the Earth’s interior at a depth of 2900 km. [Adapted from Glossary of Geology, 4th ed.]