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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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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651 times smaller than mosquito .
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93,124 times smaller than a water drop .
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569,386 times smaller than one-yen coin .
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9,111,835 times smaller than mature mouse .
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621,740,408 times smaller than brain .
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9,685,699,618 times smaller than medium dog .
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52,460,734,596 times smaller than doraemon .
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748,742,171,781 times smaller than Japanese zero fighter plane .
