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Author Question: The first aerial photographs were taken ________. A) in the middle 1800s B) during World War II ... (Read 44 times) |
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Blood is approximately twice as thick as water because of the cells and other components found in it.