Pasteurization is a process where certain packaged or non-packaged food such as milk or fruit are treated with mild heat. The goal of this process is to eliminate pathogens ( infectious agent or germ) and to extend the product's shelf life.
The inventor of pasteurization was the French scientist<em> Luis Pasteur</em>. In his research he demonstrated that thermal treatment would inactivate unwanted microorganisms in wine.
Vaccination is the application of antigenic material (vaccine) to stimulate the body's immune system and to develop an immunity to a pathogen (germ).
Smallpox was the first ever disease for which a vaccine was developed. It was invented in 1976 by the English physician<em> Edward Jenner.</em> Jenner was the first person to publish evidence that the vaccine was effective. The name vaccination derives from Latin<em> vacca </em>(cow), because it was derived from a virus affecting cows.
Answer:
The muslims invaded Spain and in the southern regions, new words with arab ethymologies appeared, they spread their culture and their race. The mix between spaniards and muslims was called a moore, the arab genes still persist in Spain, and the arab ethymologies are present nowadays on the spanish language.
The muslims also tried to impose the islam religion to the catholics, but in 1492, the spanish crown expelled the muslims and the jews from Spain.
Senate is about representing the states. The House is about representing the people directly.
