Read the lab procedure for a controlled experiment that looks at the effect of heat on the circumference of bicycle tires.Step 1: Pump up six identical bike tires to the recommended air pressure.Step 2: Place three tires under heat lamps, and keep the other three tires at room temperature.Step 3: After four hours, measure the circumference of each tire. Step 4: Record your results in the table.Step 5: (?)Which step should be next in this procedure?