Answer:
I believe that the answer is B
Seniors age 65 and older should get at least 2.5 hours of moderate aerobic exercise (such as brisk walking) every week. That averages out to about 30 minutes on most days of the week. Or you should get 1 hour and 15 minutes of vigorous exercise (such as jogging) each week.
Explanation:
C) and grew to its mature form as a result of cell division.
Answer:
<u>Negative Reinforcement</u> is the process of strengthening a behavior by contingently withdrawing something displeasing.
Explanation:
Negative reinforcement is basically a part of operant conditioning in which the behaviour is increased by avoiding the negative consequences. Active avoidance of an aversive stimulus increases desired behaviour.
<u>For example</u> : Child increases his kind behaviour towards the younger brother to avoid getting scolded.
I'm not sure of your question, but I think you're looking for <span>esophageal sphincter. </span>
