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How is a compass used as a navigational aid?

Answer:
Basically, triangulation. You take a reading on a known landmark. Then you travel & keep track of HOW FAR you've traveled. Then you take another reading. It's TOTALLY DIFFERENT on the open ocean, where there ARE NO landmarks.
First answer by LeastDuck. Last edit by LeastDuck. Contributor trust: 691 [recommend contributor recommended]. Question popularity: 0 [recommend question].

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