| Water is integral and vital part of our
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| | than the same children in motion, sliding
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| daily life, environment and nature. Water
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| | and jostling past one another. The sudden
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| is the primary reason of life existing on
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| | increase in area required to fit the same
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| the Earth.
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| | number of molecules means water becomes
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| Thus, the suggestion of water having
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| | expands as it freezes, causing water
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| changed its properties would inevitably
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| | pipes to burst as the ice inside of them
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| lead to drastic consequences on Earth.
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| | runs out of room. Most materials occupy
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| Life on our planet arose in an aquatic
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| | less space as they solidify. As overall
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| environment and most likely in the
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| | temperature and kinetic energy decrease;
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| littoral zone where sunlight fully
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| | the resultant crystalline array usually
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| penetrates. In a world where ice sank,
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| | assumes a form more like a stack of boxes
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| these shallow areas would be the first to
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| | than a crowd of rowdy schoolchildren. We
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| freeze over completely. Would the first
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| | have an obvious bias towards water-based
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| photosynthetic algae have survived a
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| | life, derived largely from its ideal
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| winter? Would marine life survive an ice
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| | properties. If ice were denser than
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| age? Perhaps our landscape would be
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| | water, the oceans would gradually freeze
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| populated by survivors from other
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| | from the bottom up, never having a chance
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| biospheres, such as land-dwelling
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| | to melt. Under such circumstances, water
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| descendants of the tube worms that live
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| | would no longer function as the cradle of
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| in underwater hydrothermal vents.
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| | life, and our first ancestors would have
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| Water may exist in a freer form than
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| | been as likely to crawl out of a puddle
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| previously thought, with water molecules
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| | of liquid ammonia. What would life on
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| constantly linking and unlinking, much
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| | this plant be like if ice sank instead of
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| like children playing games in a crowded
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| | floating? Shrunken ice cubes would be
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| schoolyard. As water cools and begins to
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| | certainly be easier to remove from the
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| freeze, the molecules can be thought of
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| | tray, but both the beverage and the
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| children laying flat with hands and feet
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| | holder of the cocktail glass would be
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| outstretched - they occupy much more room
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| | completely different!
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