soccermarisss soccermarisss
  • 06-12-2016
  • Biology
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Explain how magnetic reversals provide evidence for sea-floor spreading.

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24lisa 24lisa
  • 06-12-2016
The Earth's crust is broken into many slowly moving plates.

Sea floor spreading occurs at the mid ocean ridge where two plates are moving away from each other.

Magma rises up from below and cools to form new seafloor rock

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