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Author Question: A normal distribution is symmetric; therefore the probability of being below the mean is 0.50 and ... (Read 45 times) |
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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 immune system needs 9.5 hours of sleep in total darkness to recharge completely.