When food is digested, the smell changes considerably.
What would you call this type
of change?
A. A physical change
B. A chemical change
C. A solution change

Chemical change

Explanation:

A chemical change is what happens. The food digested changes smell due to some enzyme the has acted on the food which catalyzes the rate of digestion. The enzymes acts on the food in order to speed up the rate of the reaction (digestion) and in turn causing the smell.

carla slowed down in the beginning of her trip, stopped, and then sped up

it is easily magnetized.