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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 1487 times) |
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.