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Author Question: Filter theories are also referred to as __________ theories. (a) squeeze (b) process (c) ... (Read 207 times) |
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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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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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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The longest a person has survived after a heart transplant is 24 years.