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Author Question: Stromatolites date back to approximately A) 4.6 billion years ago B) 3.5 billion years ago C) ... (Read 63 times) |
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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Illicit drug use costs the United States approximately $181 billion every year.