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Author Question: What is the final product of the following sequence of reactions? A) D) B) ... (Read 25 times) |
Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).
There are more bacteria in your mouth than there are people in the world.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.