Both the esophagus and the small intestine are involved in the digestion of food. The esophagus squeezes food into the stomach by wave-like muscle contractions. Peptidase enzymes in the small intestine break food molecules into smaller molecules. Which statement best describes changes to food during digestion?

A. The muscle contractions and the action in the peptidase both result only in chemical changes.

B. The muscle contractions and the action of the peptidase both result only in physical changes.

C. The muscle contractions result in physical changes, while the action of the peptidase results in chemical changes.

D. The muscle contractions result in chemical changes, while the peptidase results in physical changes.

h

explanation:

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )

it marks things for degradation via the proteasome. it alters there celluar location.

i believe the answer is pupils are unequal and non-reactive

the pupil of both eyes has different size, so you could say the pupil is unequal. pupil has muscle that makes it able to constrict itself according to the light intensity. when the doctor direct their flashlight to the eye, pupil should be constrict to reduce the light intensity. if the pupil doesn't change their diameter, it is called unresponsive.