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Chose E, but still not clear why the answer is A. I was turned off from A because "submarine basalt", and could not find this in the passage. Could someone explain answer A? Thank you!
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https://classic.7sage.com/lsat_explanations/lsat-63-section-4-passage-3-passage
https://classic.7sage.com/lsat_explanations/lsat-63-section-4-passage-3-questions
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THANK YOU!
These videos explain the theory well:
This question really tests your understanding of the sea floor spreading theory.
(E) is wrong because rocks that exhibit the current magnetic polarity could be formed before the last reversal. All the yellow parts exhibit the current magnetic polarity:
https://image1.slideserve.com/2209098/evidence-of-sea-floor-spreading-n.jpg
From: https://www.slideserve.com/shay/sea-floor-spreading
According to the theory, the rock found near the continent is probably the oldest, which makes (A) correct.