(D), amount of time and area of physical contact between the substances
Answer:philis or esophagus
Explanation: I donno one if the two
The rhythmic contractions of the stomach and food along the alimentary canal is called peristalsis
Answer:
my prediction is that when the younger people get older they will have kids and this will keep happening until the world is over populated
Explanation:
The answer is <span>sexual reproduction with a short reproductive cycle.. The </span>reproductive pattern that would be associated with a species that is most likely to undergo rapid evolutionary change is sexual reproduction with a short reproductive cycle.