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Author Question: One result of tracking in schools is that a. the brightest students get the worst teachers. b. ... (Read 48 times) |
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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The human body produces and destroys 15 million blood cells every second.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.