Mechanical digestion so breaking down of the food in your mouth. Hope this help :)
Answer:
ok where is it
we can help only if there is something attached
Answer:
EXERCISE
Explanation:
In an experiment, the independent variable is the variable that the experimenter changes or manipulates in order to bring about a measurable outcome.
In this case, an experiment is carried out to test the hypothesis that "exercise will affect the number of times a person can squeeze a clothespin in a certain amount of time". The experiment contained two groups (one group sits quietly before squeezing a clothespin as many times as possible and the other does 25 JUMPING JACKS before squeezing a clothespin as many times as possible).
The independent variable is the EXERCISE (jumping jacks) that was changed for each group in the experiment.
Answer:
d
Explanation:
the high pressure causes the inner core to be solid but the outer core doesn't have much pressure applied to it
