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Author Question: A thin wire is stretched horizontally between two walls. If a weight W is hung on the wire, what is ... (Read 87 times) |
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Your heart beats over 36 million times a year.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.