Two boys were making paper airplanes. The table documents what happened in each part of their afternoon. What parts of their afternoon would they have seen a physical change happen? Part Observations

I The two boys want to make a paper airplane. They fold the paper into an airplane and start playing.

II One boy tries to catch the airplane but knocks over a plant in a pot. The pot breaks into pieces.

III The boys throw the paper airplane into the barbecue pit where Jack's dad was grilling food. The paper airplane burns.

IV The mother, in disappointment, throws out her favorite plant, and then it rots.

A. Parts I and II

B. Parts I and III

C. Parts I and IV

D. Parts II and III