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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Did you know?
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.