Question

How does seafloor spreading occur?

A. By the amount of residual magnetism in a rock sample
B. By the dense oceanic lithosphere that plunge beneath less dense continental
C. From a line along the lithospheric plates that moves past each other
D. Earth persistent magnetic field
E. By the release of magma from the mantle onto the mid-ocean ridge

Answer 1

E. By the release of magma

Step-by-step explanation:

When the magma leaves the underwater vents, it hardens and spreads making the seafloor bigger.

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