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Author Question: According to your text, disagreements about the relative efficiency of particular projects are ... (Read 23 times) |
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."
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.