9. If you have been fairly inactive, you need to begin increasing your activity level to reduce the risk of injury.

well when looking at this if you think about it   negativley and positivley   react with each other and when the first layer gets full they add layers it starts with 2 on the first layer and it constantly goes on until the official number is there

i think the answer is strength

was there more to the question like a picture or something? also i mean with no picture i think something that's not likely to be an educational impact would probably be the way the child is raised since it has special health care needs