3. Scientists are measuring 2 separate depths of the ocean using sonar. Point A takes 4 seconds to return to the ship. Point B takes 8 seconds to return . Knowing those two numbers , what could the scientists determine about the depth of the ocean in those two points ? How do you know ?
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at point A the waves takes 4s to return to the ship
as well as at another point B it takes 8s.
this result says that the depth pf point B is greater than that of point A.
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