C. I say knowledge of child development because knowing how children grow and develop will help you in the patience department. That's not to say it has to be book learning. It could be gained by experience in the field. Either way, you have to know something about how kids grow so you understand why they act the way they do.
Physical activity is any bodily movement produced by skeletal muscles that requires energy expenditure
It provides exercise to the body keeping it fit and calm. Hope this helps.
Answer:Nutritional need can be described as changing through life
Explanation: we have no problem with our digestive system even if people don't fill up our daily fiber