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1.20 ounces is about two-and-a-half times as heavy as a Compact disc.
In other words, the weight of a Compact disc is 0.430 times that amount.
(a.k.a. CD)
A compact disc typically weighs 0.530 ounces. Data is stored on CDs by encoding into the track a series of tiny pits — each between 3.5 and 850 µm (0.00014 and 0.033 in) in length.
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