III. Answer the following questions. 3. What are the rules of keeping fit?

Ответ:

The text mentions that "Kids can take charge, too, when it comes to health. Here are five rules to live by, if you're a kid who wants to be fit." However, the specific five rules are not listed in this provided text snippet. Based on the general information given, the rules would likely involve eating well, getting enough physical activity, and maintaining a healthy weight.