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Author Question: When we are listening to someone speak, we are not passive; rather, we nod our heads, purse our ... (Read 8334 times) |
There are approximately 3 million unintended pregnancies in the United States each year.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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.
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.