I think it might be the third on I’m not sure completely wait on a second person
No lo se pero buen día ciela pásala rico
In much of a digestive tract such as the human gastrointestinal tract, smooth muscle tissue contracts in sequence to produce a peristaltic wave, which propels a ball of food (called a bolus while in the esophagus and upper gastrointestinal tract and chyme in the stomach) along the tract.
2 because if you were to multiply the bases versus the acidity it would come out to 2