One of the causes of ocean currents is density differences in the water. This is true because ().

A . in an area of high density the water's surface is lower than in an area of low density B . surface water flows from an area of high density to one of low density C . the lesser the density gradient the freer the water is to move D . it is the density differences that cause the currents to stay in the trough

时间:2022-10-15 19:34:08 所属题库:潮汐与涌浪题库

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