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Author Question: In a short essay, define learning and then explain operant conditioning. (Read 467 times) |
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."