|
Author Question: Over the course of middle childhood, social comparisons become more: a. Overt b. Covert c. ... (Read 37 times) |
In 1864, the first barbiturate (barbituric acid) was synthesized.
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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.