Answer:
traumatic events is the answer
Guide Star, American Red Cross, American Heart Association, and Habitat for Humanity
Explanation:
Switching from walking to taking the bus would mean a behavioral change that will result in a decrease in activity level. Whereas you were getting some form of physical activity in walking you are now taking the bus which means your level of physical activity has dropped as you will be sitting on the bus not doing anything, before you were actively moving your body.
A is correct! It is a true fact as well! Mark if correct!
