What was used as a unit of mass in the classical times?
carob seed
a drop of lead
handful of sand
swallow's egg
Carat, a unit of mass equal to 200 mg, is derived from a carob seed (Greek kerátion). People commonly believed that the seeds have unusually low variability in mass. Modern research denied this claim.
reach: rather globalancient historyculturegemstonesmassunits
Answers by country
carob seed
a drop of lead
handful of sand
swallow's egg
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12
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11
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27
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18
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17
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22
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10
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154
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82
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138
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72
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