Which of the following statements is the best argument for daily exercise? a. there are many enjoyable forms of exercise, such as jogging, soccer, and yoga. b. stretching before exercise and 30-45 minutes of activity provides the best results. c. for most people, a range of 100 to 120 beats per minute is optimal during exercise. d. studies show that people who do not exercise are 50% more likely to suffer from heart disease.