Calculate your maximum heart rate and then measure your heard rate While you areperforming each of three physical activities. Which activities meeting the intensityguideline to help improve your cardiovascular endurance? Based on your goals, howmany days per week and for how long should you perform the activity?a. Cross Country practice, Hiking, Basketball drillsb. Cross country practice is the only one to meet the guidelines. I think I would haveto do it at least 4 times a week for 30 minutes to see how far I can during that time