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One of the main reasons that seafloor spreading creates new rock is that as the plates separate, _______.

A more of the core is exposed
B more of the mantle is exposed
C magma rises and hardens as it cools

2 Answers

2 votes
I think the answer would be A
User Jordi Xucla
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7 votes
B more of the mantle is exposed
User Joshua Obritsch
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