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Author Question: The Mann-Whitney test is used to compare the rank scores of two groups. Indicate whether the ... (Read 61 times) |
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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On average, the stomach produces 2 L of hydrochloric acid per day.