Adog salivates to the sound of a tone because the tone has regularly been associated with the delivery of food. in this case, the tone is called a(n):

The tone is called the conditioned stimulus because it was able to produce a conditioned response in which likely occurs when a neutral stimulus has been paired with a stimulus that is unconditioned such as the sound being associated with the dog salivating because it is a signal for food.

answer to ur question is college b