The measure of the amount of heat in the air in a given place is called Temperature.
I'm pretty sure it's A)argiculture
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<span>Disposable razor blades were invented in 1901 by Gillette.
Gillette is a company based in the United States, founded by King C. Gillette in 1901. He was an American businessman who saw the need for disposable razor blades, which is why he is considered the pioneer in the business.
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A. Hereditary rulers of a country
