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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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The average adult has about 21 square feet of skin.
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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Cyanide works by making the human body unable to use oxygen.