Protein replenishes the muscle and helps build it. Think of it like this: if you eat a lot of unhealthy foods and workout, you will gain no muscle; if you consume protein and workout, your muscle will grow stronger.
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.
Answer:
One muscle flexes while the other extends
Explanation:
Honest communication improve relationships by HELPING PEOPLE TO TRUST ONE ANOTHER.
Communication is a very important key in our relationship with others, we have to open up and express our emotions always because others can not read our minds. Been honest in our communication help us to tell our friends and partners all that they need to know about us. In this way we prevent hurting them by keeping vital secrets away from them and this ultimately increases the the trust that they have in us.