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Author Question: With no air resistance, a projectile fired at 50 has the same range as if it were fired at A) 40. ... (Read 39 times) |
The human body produces and destroys 15 million blood cells every second.
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.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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.