Question

What is the point where rivers change from broad, deep, and slow-moving to narrow and swift?

the coastal plain

the Piedmont plateau

the fall line

the mountain ridge

Answer 1

[AI-generated answer — Bot GPT 3.5]

The point where rivers change from broad, deep, and slow-moving to narrow and swift is typically referred to as the fall line. This natural boundary separates the coastal plain from the Piedmont plateau and is characterized by a sudden drop in elevation, causing the rivers to become more narrow and faster-moving.