Which limit constrains the formation of extensive alluvial terraces in a rapidly uplifting mountain range?

💡 Explanation

When base level drops due to rapid uplift, rivers incise downwards because they are forced to erode to reach the new base level, limiting lateral migration and floodplain formation, which reduces build-up of extensive terraces. Therefore base level dropping is the limitation, rather than density, weathering or decreased precipitation which enable, and limit different geological systems.

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