The number line shows the elevation of the bottom of a harbor and the elevation of a fish swimming close to the surface what change in elevation is necessary for the fish to reach bottom?
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Answer:Whatever number is larger than the number of the elevation of the bottom of the harborStep-by-step explanation:the elevation needs to be smaller than the decrese of the elevation like this.Ex: The temputure elevated 28 degrees then decreased 30 degrees.Boom :]