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【简答题】
海洋面积占地球表面约71%,每1000g海水中含氯化钠等约35g,所以海咸水,但可以变成淡水“跑”到来。 (1)海水“跑”到陆地变成淡水形成天然水循环,这个过程主要包含了水的物态变化? (2)运用理化知识鉴别从海水中“跑”出来的淡水而不是咸水的方法有多种,请列举其中一种作答。
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