Molten rock pushes up from the asthenosphere and pushes the plates apart at the mid ocean r.
Sea floor spreading worksheet.
Sea floor spreading answer key this is a mid ocean ridge.
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Sea floor spreading ocean floor is spreading due to divergent boundaries allowing the oldest rock to be pushed out and the new rock is being formed closest to the crack forms the ridges 3.
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It is an underwater mountain range that forms when magma pushes up on the crust at a divergent boundary.
Scientists have found strange rocks shaped like pillows in the central valley of mid ocean ridges.
Sea floor spreading continually adds new material to the ocean floor.
What happens to old oceanic crust as.
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This process called sea floor spreading continually adds new material to the ocean floor.
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Such rocks can form only if molten material hardens quickly.
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Scientists have found strange rocks shaped like pillows in the central valley of mid ocean ridges.
Seafloor spreading is happening at b.