Answer:
( in the explanation )
Explanation:
The magnetic compass was an important advance in navigation because it allowed mariners to determine their direction even if clouds obscured their usual astronomical cues such as the North Star. It uses a magnetic needle that can turn freely so that it always points to the north pole of the Earth's magnetic field.
Answer:
Compression often occurs at a convergent boundary.
Because when air molecules bounce off a surface that force is spread out over that surface.
85% sure the answer is C.
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