- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: Numbered disks are placed in a box and one disk is selected at random. If there are 6 red disks ... (Read 81 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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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.