A sandbar is a ridge of sand in the water days created through the action of waves and currents a hurricane Hannah coastal area and washed away a series of sandbars near two large barrier islands which argument predict how does event will change species diversity in the region

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mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.