Geography, 20.09.2020 01:01 Shadow0202

What are mid-ocean ridges? What happens with lava under the original oceanic crust? Magma rises from the earth's mantle

The erupting lava causes the original seafloor to push outward, creating a mid-ocean ridge.

Tectonic plates must move apart.

Underwater sea vents cause currents that break off the continental crust, forming oceans in between.

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What are mid-ocean ridges? What happens with lava under the original oceanic crust? Magma rises fro...