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Author Question: The lamps in a string of decorative lights are connected in parallel across a constant-voltage power ... (Read 27 times) |
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The horizontal fraction bar was introduced by the Arabs.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.