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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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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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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Medication errors are three times higher among children and infants than with adults.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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