How can a fall line be an opportunity

A fall line is the imaginary line between two parallel rivers, at the point where rivers plunge, or fall, at roughly the same elevation. Fall lines are often located where different elevation regions, such as coastal and piedmont, meet. 5 - 12+ Earth Science, Geology, Geography, Physical Geography.

Because when you fall you are at a low state, so you have more room to go up now

Explanation:

a substance in a physical state in which it does not resist change of shape and will expand indefinitely to fill any container.

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hope this !