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Author Question: The following concepts to explain the spread of civilization around the world EXCEPT: a. ... (Read 26 times) |
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
The average office desk has 400 times more bacteria on it than a toilet.
On average, the stomach produces 2 L of hydrochloric acid per day.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.