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Author Question: Which of the following represents the earliest kind of recordkeeping? a. bark paper b. cloth ... (Read 93 times) |
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Your heart beats over 36 million times a year.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.