Which of the following is a physical change to food that occurs in the mouth? O It is converted to chyme.
It is neutralized using basic compounds from the liver.
O It is formed into a bolus.
it is acidified using hydrochloric acid.

It is formed into a bolus. Think of the word "bolus" like "ball", once you chew your food and swallow it, it will be a vaguely ball-shaped clump by the time it reaches your stomach.

absolute strength refers to the maximum force exerted by a body irrespective of body size. relative strength on the other hand is the force exerted by a body in relation to muscle size or body weight.

so the answer is: c. absolute strength measures strength regardless of your body size, while relative strength measures strength adjusted for your weight.