Troy weight is used to measure:
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Liquids
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Fossil fuels
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Precious metals
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Medicines
C
Correct answer
Explanation
Troy weight is a traditional system of mass measurement used specifically for precious metals like gold, silver, and platinum. It originated in medieval England and is distinct from avoirdupois weight used for general goods. Liquids are measured by volume, fossil fuels by various weight systems, and medicines use apothecary or metric systems.