When beginning a unit on the digestive system with his fourth graders, mr. macum asks his students, "what happens when you chew your food? your teeth are working hard, to be sure. but what else does your mouth do when it has food in it? " mr. macum is using a strategy known as:

Prior knowledge activation                                

Explanation:

Prior knowledge activation:

It refers to the things we do as mature adult readers. The term has a significant role in understanding a phenomenon because it helps in grasping a piece of new information and making a connection in mind. The student's knowledge can be improvised by developing prior knowledge because it helps them to connect the previously learned information with the new information.

its c i google it wish u luck