The grain, the minim, and the dram are basic units of which system?
1. The metric system
2. The apothecaries' system
3. The household system
4. The North American system
Correct Answer: 2
The apothecaries' system uses grains, minims, and drams. The metric system uses liters, meters, and grams. The household system uses pounds, quarts, and feet or miles. All of these systems are used, in various degrees, in North America.
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