To see if baldness is caused by a high protein diet, a scientist gives
one group of men a low protein diet and another group of men a high
protein diet. what is the independent variable in this experiment?
a. the amount of protein in the diets of the men
b. whether or not the men develop baldness
c. the age of the men and the amount of water they are given to drink
d. the number of men in each group

explanation:

yes you are doing it right great gob

this is math not biology xd

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.