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Author Question: Guard towers are no longer used because they are expensive to operate. a. True b. False ... (Read 21 times) |
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The human body produces and destroys 15 million blood cells every second.
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Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.