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Author Question: For the Pleiades, a fifty-million-year-old cluster, we find classes ________ and ________ already ... (Read 30 times) |
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Cyanide works by making the human body unable to use oxygen.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.