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Author Question: Distinctiveness refers to whether an individual displays a behavior in many situations or whether ... (Read 397 times) |
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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).
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.