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SW85

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2021-08-20 10:20:38

回复 35128楼sunlight99的帖子

哈哈哈,笑死了, 你是要吧Wiki上water的definition一句句搬上来吗? 我发现为了攒魅力的姐妹们都很拼很有才啊! 手动点赞!

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sunlight99

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2021-08-20 10:21:46

For example, although the sight of ice cubes floating in a glass of ice water is commonplace, such behaviour is unusual for chemical entities

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sunlight99

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2021-08-20 10:22:10

For almost every other compound, the solid state is denser than the liquid state; thus, the solid would sink to the bottom of the liquid. 

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sunlight99

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2021-08-20 10:22:40

The fact that ice floats on water is exceedingly important in the natural world, because the ice that forms on ponds and lakes in cold areas of the world acts as an insulating barrier that protects the aquatic life below.

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sunlight99

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2021-08-20 10:23:17

If ice were denser than liquid water, ice forming on a pond would sink, thereby exposing more water to the cold temperature.

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sunlight99

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2021-08-20 10:23:36

Thus, the pond would eventually freeze throughout, killing all the life-forms present.

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cherry_tree

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2021-08-20 10:24:19

姐妹们早上好!

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cherry_tree

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2021-08-20 10:24:30

早上水一水

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cherry_tree

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2021-08-20 10:24:43

水水更健康

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cherry_tree

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2021-08-20 10:24:58

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