- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: The weight of a box of candy bars is an example of a discrete random variable since there are only a ... (Read 65 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
In 1864, the first barbiturate (barbituric acid) was synthesized.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.