Mountain chains in Northern Europe and West Africa match the Appalachian Mountains in terms of their ages and

Question

Mountain chains in Northern Europe and West Africa match the Appalachian Mountains in terms of their ages and the sequences of rock layers that make them up. In 3–5 sentences, analyze these observations, and explain what conclusions can be drawn from them. (4 points)

GPT-5 mini · Answer

The identical ages and matching sequences of rock layers show these ranges were part of the same continuous mountain belt formed by the same orogenic events. That implies the crust now in northern Europe, West Africa, and eastern North America were once joined before the Atlantic opened. The present separation is therefore the result of later rifting and seafloor spreading. This correlation is strong evidence for continental drift and plate tectonics.

Mountain chains in Northern Europe and West Africa match the Appalachian Mountains in terms of their ages and the sequences of rock layers that make them up. In 3–5 sentences, analyze these observations, and explain what conclusions can be drawn from them. (4 points)

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