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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
There are more bacteria in your mouth than there are people in the world.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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