The correct answer for the problem is c
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Can you please type the whole questions ..
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An astronomical unit is a unit of measurement that scientists use to determine how far something is in space
Answer:
an automatic response established by training to an ordinarily neutral stimulus.
Explanation:
For example, the smell of food is an unconditioned stimulus, a feeling of hunger in response to the smell is an unconditioned response, and the sound of a whistle when you smell the food is the conditioned stimulus. At this point, the response becomes known as the conditioned response.
