a grain of sand 的weight是...
The weight of 1 a grain of sand is 3 micrograms. That is ...
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2 times bigger than ovum (2.0 to be exact).
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30 times bigger than volcanic ash .
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250 times bigger than cedar pollen .
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857 times bigger than a single drop of inkjet printer ink .
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33,333 times bigger than red blood cell .
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4,285,714 times bigger than escherichia coli .
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3,750,000,000 times bigger than influenza virus .
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7,594,936,708,860,760 times bigger than uranium atom .
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9,362 times smaller than mosquito .
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51,101 times smaller than a water drop .
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1,902,583 times smaller than pachinko ball .
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87,510,372 times smaller than kidney .
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780,399,402 times smaller than brain .
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8,575,629,781 times smaller than medium dog .
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32,169,319,725 times smaller than light-heavyweight boxing player .
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324,181,790,136 times smaller than the heaviest woman in the world .
