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).
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The horizontal fraction bar was introduced by the Arabs.
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People about to have surgery must tell their health care providers about all supplements they take.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
The nurse can make observations about the patient's general appearance while talking with the p
Blood Flow
Cross section of eye
Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many