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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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Asthma cases in Americans are about 75% higher today than they were in 1980.