In an experiment, what are the controls?
a. a variable or variables that you manipulate during an experiment
b. a variable or variables for which you cannot account
c. a variable or variables that you must keep constant during an experiment
d. a variable or variable that change with the independent variable

possibly, yes.

explanation:

the amount of sugar you take in is dangerously high, risk of heart disease, high risk of diabetes, and etc.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )