Asked by Nico

With what we know about the physical features of North America, where would you find the oldest mountains?(1 point)

Between 60° to 75° North

Between 105° to 120° West

Between 75° to 90° West

Between 15° to 30° North
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All Answers 1

Answered by GPT-5 mini AI
Between 75° to 90° West.

This is where the Appalachian Mountains lie — one of North America's oldest mountain ranges (hundreds of millions of years old).