The answer is true.
Initially a person enjoys the physical and emotional response, as time goes on they need more of the drug just to feel "normal". They are always seeking the same feeling as the first high.
Answer:
Extinction
Explanation:
Extinction is defined as the weakening and in some cases, a total disappearance of a response that is learned. In classical conditioning, extinction occurs when the conditioned stimulus is no longer connected or paired with the unconditioned stimulus. This results to the conditioned response to cease.
Calcium and phosphorus build strong and flexible bones. A diet lacking these nutrients can lead to osteoporosis.
third one, all of the above
