A scientist models the temperature of a chemical reaction over time using a graph. The graph shows that the reaction started at . In a modified experiment, the scientist starts the reaction at a temperature that is lower than the original starting temperature. Which statement best describes the change in the graph representing the modified experiment?
The graph shifts up by 8 units.
The graph shifts down by 8 units.
The graph shifts left by 8 units.
The graph shifts right by 8 units.
