All of them are important rules but i would say D because chocolate is fattening and has lots of sugars and eating snack foods is not healthy either.
1) oxygen. 2) bone size 3) inner core, outer core 4) 10
C. All forms of tobacco are addictive. Tobacco contains Nicotine, which upon entering the blood stream, affects the user. After frequent uses, the user becomes addicted to the nicotine within the tobacco product.
Non soluble or soluble
which they are soluble
