Physical activity is the body movement that causes muscles to contact and consume energy, while exercise is the physical activity undertaken to specifically to develop and maintain physical fitness and health. Exercise is a subset of physical activity. CAN SOMEONE SUMMERIZE THIS PLZ

Which of the following forests would the wilderness act of 1964 most effectively protect from harmful logging? i. a forest containing several service roads ii. a forest through which a highway has been constructed iii. a forest that has never been affected by human development a. i only b. ii only c. iii only d. i and ii only e. i and iii only