Actually you can at a food store or even at a gorcery store and also you can work at mc donalds
16 years old. Same as a 16 year old male who is not 5'8".
No.
Yes it perfectly fine
hgh
depends
If the 16 year old has parental permission, yes.
Yes, 4'9" is quite short of a 16-year-old, especially a 16-year-old male.
no.
No
yes
If the weight and activity levels are about the same a 16 year old male will usually have a higher calorie need due to higher muscle mass.
12% - 16%