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Author Question: The mean life (time constant) of radon-222 is 5.526 d. If a sample of radon initially contains 6.00 ... (Read 40 times) |
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).