Todd knows he should start exercising, but he likes coming home and just relaxing in front of the tv. he thinks that when school gets out he may possibly start being more physically active. what stage of change is todd in? a. action b. pre-contemplation c. preparation d. contemplation

Mason joined the water polo team at his school. as part of his conditioning, mason's coach requires a 25-minute run during practice. mason's heart rate reaches 125 beats per minute, but his target heart rate zone is 138—183 beats per minute. what should mason do to get the most benefit for his heart? increase the amount of time he runs increase the speed at which he runs decrease the amount of time he runs decrease the speed at which he runs