Physical and Chemical Changes During Digestion (7.6):
Question 2
The diagram illustrates the pathway and time frame for the digestion of a hamburger. During which time period is matter undergoing only a physical change?
Select one:

9:50 a.m. - 1:00 p.m.

6:03 p.m. - 6:06 p.m.

6:03 p.m. - 10:15 p.m.

10:15 p.m. - 9:50 a.m.