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At mid-ocean ridges, A.the crust is older. B.sea-floor spreading occurs. C oceanic lithosphere is destroyed. D.tectonic plates are colliding
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1 vote
At mid-ocean ridges,

A.the crust is older.
B.sea-floor spreading occurs.
C oceanic lithosphere is destroyed.
D.tectonic plates are colliding

User Chenghwa
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2 Answers

4 votes
B. lava from the mantle pushes through spreading them apart
User Prayag Choraria
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1 vote
B. is the answer because lava keeps moving away from the source, causing the whole sea floor to move.
User Kmnowak
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8.7k points
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