Aerobic exercises are those that increase the body's ability to extract energy from aerobic respiration. These types of exercises improve air flow in the lungs, increase blood flow throughout the body, strengthen the heart and increase the body's aerobic capacity. Along with all of these benefits, aerobic exercises also promote weight loss by keeping the heart rate elevated for long periods of time. Out of the given exercises, options A-C are all strength training exercises, while option D is an aerobic exercise. Therefore, the answer is dancing.
