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Author Question: In which of the following does the student physically write some of the content? a. shared ... (Read 2119 times) |
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
Illicit drug use costs the United States approximately $181 billion every year.
The average adult has about 21 square feet of skin.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.