Question

what is called lower layer of the cruest ?
Ang​

Answer 1

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• In geology, sima is an antiquated blended term for the lower layer of Earth's crust. ... The sima layer is also called the 'basal crust' or 'basal layer' because it is the lowest layer of the crust. Because the ocean floors are mainly sima, it is also sometimes called the 'oceanic crust'.

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Answer 2

Answer:

basal crust

Explanation:

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