Well generally it will be a positive impact (Of course this generally depends on what the "Physical activity" is, it is generally good, reason being while exercising causes the brain to release endorphin's, as well as helping relax muscles and relieve physical tension, which can greatly help with stress.
The answer is Topographical Model. Sigmund Freud’s Theory has
complexities though his writings, it was one of his overall theory of
personality out of five parts. Freud
studied that most of what we experience in our lives, the underlying emotions,
beliefs, feelings, and impulses are not available to us at a conscious level. He
also understand that different driving forces develop during these stages which
play a significant role in how we interact with the world.
The cycle is called Yo-Yo dieting.
Girls: in between 8 and 13
Boys: in between 9 and 14
It doesn’t specify what gender I’d go with answer B