- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: __________ occurs when those conducting a survey or study are unable to obtain data on all ... (Read 78 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.