On a line graph, a flat, horizontal line means a. that the y variable is increasing. b. the y variable is leveling off in order to get to a decrease. c. there is a positive relationship between the two variables. d. that the y variable is staying the same.

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar