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Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Green tea is able to stop the scent of garlic or onion from causing bad breath.
Did you know?
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.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.