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Author Question: Frequency is the number of digital pulses in one second. Indicate whether the statement is true ... (Read 35 times) |
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.