- Grade 11 and 12 Mathematics (Moderator: geoffrey)
|
Author Question: The population of a particular country was 21 million in 1983; in 1991, it was 32 ... (Read 32 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
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.