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Author Question: Bill has been selling vacuum cleaners door-to-door for the past seven years. Recently he took a new ... (Read 125 times) |
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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The horizontal fraction bar was introduced by the Arabs.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
Deciduous and permanent teeth. (A) The deciduous teeth, with the age of eruption given in months; (B
When the number of miles traveled is considered, drivers under 25 years of age and those over 70 are ...
A vacuum-operated EGR valve. The vacuum to the EGR valve is computer controlled by the EGR valve ...