In which of the following situations is someone using peer pressure based on a rejection tactic

Your answer is  d.)relationship between pressure and air volume and led to the understanding of how respiration works

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.