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Author Question: Monsoon refers to: A) heavy tropical precipitation. B) the climatic pattern in which heavy ... (Read 5820 times) |
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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.
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).