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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 5439 times) |
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If you could remove all of your skin, it would weigh up to 5 pounds.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
This 11-month old girl demonstrates one of the abilites of a child of this age group - creating a to
Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b
Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp