I split a continent without a sword, shaping rivers and forests alike. My presence marks a line unseen yet felt by every living thing. What am I?

Category: Geography · Difficulty: hard

Hint: Consider lines where water flows diverge to different oceans

Answer

A continental watershed boundary

Explanation

Watershed divides separate river basins, influencing where water flows and ecosystems develop without physical barriers.

This is a hard geography riddle — a tricky one that takes a little thought. The answer is A continental watershed boundary.

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