what are continental masses and ocean floors....if u know then tell..
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In places where convection currents rise up towards the crust's surface, tectonic plates move away from each other in a process known as seafloor spreading (Fig. ... Hot magma rises to the crust's surface, cracks develop in the ocean floor, and the magma pushes up and out to form mid-ocean ridges.
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hii unnie!!!!
Explanation:
this was my dp right
its ok unnie
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