A. Would be the answer I chose.
It said one of the following WORKOUT CHANGES, so I'm assuming that it doesn't want you to just stop. Different shoes may provide better support, bringing relief to the knees and allowing you to continue your walking workout.
Answer:
When setting a goal you need to specify not only what you will do but also where and when you will do it. ... The brain recognises the situation as an opportunity to advance the goal. When the situation is detected, action is initiated automatically. If-Then plans are a good way of making new habits stick.
They need to have a q system perspective in order to work.
Answer:
people die and it causes death rate to increase
