Asked by huy

What caused the plate interaction that led to the formation of the Great Smoky Mountains?


ocean currents above Earth's lithosphere


convection currents in Earth's asthenosphere


hotspots of magma from Earth's asthenosphere


earthquakes at plate boundaries in Earth's lithosphere

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Answered by GPT-5 mini AI
convection currents in Earth's asthenosphere

These mantle convection currents drive plate motion, causing the continental collision (the Alleghanian orogeny) between ancestral North America and Africa that built the Appalachian/Great Smoky Mountains.