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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375 times bigger than hepatocyte .
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33,333 times bigger than red blood cell .
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176,471 times bigger than sperm .
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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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1,398 times smaller than mosquito .
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73,528 times smaller than a water drop .
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7,271,848 times smaller than one dollar coin .
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97,487,668 times smaller than kidney .
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929,339,333 times smaller than brain .
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8,141,548,387 times smaller than medium dog .
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73,860,443,497 times smaller than female lion .
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635,992,966,047 times smaller than Japanese zero fighter plane .
