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Author Question: When oceanic plates meet continental plates at a convergent boundary, a ____. a. subduction zone ... (Read 122 times) |
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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).
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.