4. How do paragraphs 33-34 contribute to the development of ideas in the text?
O A They imply that baseball is the most important sport
when it comes to furthering scientific studies.
OB They show how baseball has become a predictable
sport because of all the data available on it.
O a They explore the ethical problem involved with
collecting data and using it to improve an individual
player's game.
OD They emphasize the various researchers and
scientists who study baseball, as well as the
different applications for studying baseball.

Walking is not the most exciting form of exercise a person can take on for fitness. yet it is low impact and requires no fancy equipment. that makes 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 weights required. of course, a person could increase the benefit of a workout by adding weights or speed walking. identify the main idea of this paragraph. walking is a difficult and safe exercise for beginners. walking is an easy and safe exercise for beginners. walking is a boring and dangerous form of exercise. walking is an exciting and very effective form of exercise.