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Author Question: Kara is in Stage 1 of the sleep cycle. Which of the following is TRUE? (Read 59 times) |
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.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
There are 60,000 miles of blood vessels in every adult human.
The horizontal fraction bar was introduced by the Arabs.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.