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Author Question: Two resistors R1 and R2 give a combined resistance of 4.5 ohms when connected in series and 1 ohm ... (Read 13 times) |
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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Your heart beats over 36 million times a year.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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The familiar sounds of your heart are made by the heart's valves as they open and close.