The sun is a source of energy for all living things.
Answer:
The answer is B, The cells have different functions.
Explanation:
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Mitochondria :) your welcome
Because they are not trained to
Peristalsis refers to the action of the involuntary muscle of the digestive track
Peristalsis involve a series of wave like muscle contraction that moves food to different processing station in the digestive tracts and it begins in the esophagus when bolus of food is swallowed. It involve involuntary movement of the longitudinal and circular muscle.
