the answer is: The neutral stimulus causes no response.
Without being paired by any situation, neutral stimulus would not mean anything to the subjects. Because of this , the subjects would normally just ignore the neutral stimulus every time they face it.
But, when the neutral stimulus is paired with a certain situation (such as ringing a bell before giving foods to dogs), the dogs will associate the neutral stimulus with the positive reinforcement. To the point where the neutral stimulus transformed into a conditioned stimulus, which make the dogs'mouth to start watering every time they hear the bell.
Answer:
"Sustainable living is a way of life that endeavors to decrease a person's or society's utilization of the Earth's common assets and individual assets. Experts of reasonable living regularly endeavor to decrease their carbon impression by modifying techniques for transportation, vitality utilization, and diet.
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