Being in energy balance means that
select one:
a. calories expended equals the calories consumed
b. calories expended are fewer than calories consumed
c. equal amounts of carbohydrate, fat, and protein in the
d. calories consumed are fewer than calories expended

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?