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13-12-2016
Biology

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How do scientists learn about Earth's interior?
What kind of waves tell them that there are different layers?

( please help, this assignment's due today )

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destanyhale32231 destanyhale32231

13-12-2016

Scientists learn about Earth's interior by studying seismic waves. Seismic waves tell them that there are different layers.

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alyssa911DFTBA alyssa911DFTBA

16-12-2016

Scientists use probes and pulses to learn about the earths interior.

Based on the penetration of the wave, scientists can know the density of the layers

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