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.

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он