A 16 year old boy who plays a sport should take in how many calories on a daily basis?

Are needed by the body in large amounts in order to maintain good health

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?

Which of the following is the best description of health protecion the answer is b the direct actions taken by health organizations to improve public health