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Author Question: Alkynes are hydrocarbons that characteristically have a) one single bond between two hydrogen ... (Read 42 times) |
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.