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Author Question: What types of system access valves do household refrigerators usually have? A) Manual valves on ... (Read 35 times) |
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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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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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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.