I would say c but I would have to read your text book to be able to answer it accurately
An abstract presented at this year’s American Academy of Pediatrics National Conference and Exhibition in Orlando revealed that only 11% of children over the age of 12 who were treated for a bike-related injury in Los Angeles County were wearing a helmet at the time of their accident. 57% of bicycle-related fatalities can be prevented by using a protective helmet. Over 135 deaths, 40,000 head injuries, and 20,000 scalp and face injuries suffered by children between ages 4 and 15 can be reduced through the use of bicycle helmets.
My answer is A. hope this helps:/
I think the answer would be true
It mostly what's the weight, height, and age to Determine the milligrams the person needs.