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Your friend is scuba diving in Iceland at a mid-oceanic ridge and picks up a rock. He wants to know how old the rock is compared to the rock in Maryland. Explain to your friend which rock is the oldest
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Your friend is scuba diving in Iceland at a mid-oceanic ridge and picks up a rock. He wants to know how old the rock is compared to the rock in

Maryland. Explain to your friend which rock is the oldest and how you came to this conclusion. Use evidence from your notes.

User Chao Ruan
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Answer: A rock is older in Maryland because the mid-Atlantic ridge goes through Iceland, leaving newer rocks there.

User Robert Seaman
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