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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.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

The main avenue to the upward social mobility reviewed in the text has been higher education. The main avenue to the upward social mobility reviewed in the text has been higher education.
In the photo on the left, Henry Ford proudly displays his 1905 car, the latest in automobile ... In the photo on the left, Henry Ford proudly displays his 1905 car, the latest in automobile ...
Used antifreeze coolant should be kept separate and stored in a leakproof container until it can be ... Used antifreeze coolant should be kept separate and stored in a leakproof container until it can be ...
Heavy fuel droplets separate as they flow around an abrupt bend in an intake manifold. Heavy fuel droplets separate as they flow around an abrupt bend in an intake manifold.
Western blot. In the first step, (1) a polyacrylamide gel electrophoresis is performed to separate ... Western blot. In the first step, (1) a polyacrylamide gel electrophoresis is performed to separate ...
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