Which of the following correctly describes seafloor spreading?
a. new oceanic crust is...
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Which of the following correctly describes seafloor spreading?
a. new oceanic crust is formed at midocean ridges, pushed away from the ridge, and destroyed at deep-sea trenches.
b. new oceanic crust is formed at seamounts and spreads outward in all directions.
c. new oceanic crust is formed at deep-sea trenches, pushed away from the trench, and destroyed at midocean ridges.
d. new oceanic crust is formed in the middle of tectonic plates and then spreads outward in bands.
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