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Chemistry, 22.03.2021 18:10 MalikaJones

Scientists have concluded that the uppermost part of the mantle is partially-molten. Which observation helped them reach this conclusion? Both P and S waves slow down when they reach this layer.

Both P and S waves speed up when they reach this layer.

P waves do not travel through this layer.

S waves do not travel through this layer.

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Scientists have concluded that the uppermost part of the mantle is partially-molten. Which observati...

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