The goal of flexibility is to allow your body to have more range of motion in your joints
When you visualize things you are no longer focused in reality but instead in your own world its people's "happy place". and thats why visualization promotes relaxation and stress reduction.
All of them are important rules but i would say D because chocolate is fattening and has lots of sugars and eating snack foods is not healthy either.
Make pneumatic devices or acronyms about the certain laws or make flash cards
She can help by conserving energy, plant trees, and use eco friendly cars.