Walking is not the most exiting form of exercise a person can take on for fitness. yet it is low impact and requires no fancy equipment. that makes a walking a simple activity for those new to exercise. walking is less likely than other exercises to cause injury to leg tendons and muscles. all it requires is a good pair of sneakers— no cables, stylish outfits, or weight required. of course, a person could increase the benefit of a workout by adding weights or speed walking. identify the main idea in this paragraph. a.)walking is a difficult and safe exercise for beginners. b.)walking is an easy and safe exercise for beginners. c.)walking is a burning and dangerous form of exercise. d.)walking is and exiting and very effective form of exercise.