The horizontal fraction bar was introduced by the Arabs.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
Wasp ocelli (simple eyes) and dorsal part of the compound eyes; also showing fine, unbranched hairs
Part B - Nondisjunction MasteringBiology Chapter 15
How to convert units of any rate to another (Part 2)