Answer:
Mouth: site where mechanical digestion takes place
Stomach: A mixture of chemical etc...
Esophagus: At this site, muscles are contracted to falicilitate peristalsis
45 feet
there are 3 feet in a meter
so we can find how many feet are in 15 meters by multiplying
15 x 3 = 45
A. both stores mature sex cells.
deoxyribonucleic acid and ribonucleic acid
