Just as large distances are measured in AU, parsec or light year, atomic or nuclear distances are measured with the help of microscopic units.

Just as large distances are measured in AU, parsec or light year, atomic or nuclear distances are measured with the help of microscopic units.
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Just as large distances are measured in AU, parsec or light year, atomic or nuclear distances are measured with the help ... b. 10-10 m c. 10-12 m
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