In the beer ad, a beautiful woman sits on the beach and drinks a budweiser. the advertiser hopes that their target market will be aroused by the beauty and begin to experience a similar sense of desire when they see the beer. in this simple, classic ad, the unconditioned response

The answer is the arousal.

Explanation:

In classical conditioning, a conditioned stimulus (the beer) is associated with an unconditioned stimulus (the woman), which produces an unconditioned response (arousal).

This idea was demonstrated by Russian scientist Ivan Pavlov. In a famous experiment, he would ring a bell shortly before feeding a dog. The dog would soon start salivating at the sound of the bell, as it associated it with the food.

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question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals