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Author Question: The extent to which results can be generalized to the whole population is a. content validity. ... (Read 40 times) |
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Excessive alcohol use costs the country approximately $235 billion every year.