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Author Question: Show that the curves given by y2 + 4y + 4x + 3 = 0 and y2 = 4x + 1 have a common tangent line and ... (Read 25 times) |
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.