<span>Air pollution badly affects the health of an individual. Polluted air leads to viral diseases. so the answer is environmental </span><span />
I would say b., mostly because it is good to have them know why they need to act in such a manner not just the "style" of which the behavior is being done. Sometimes it is difficult for them to refine their behaviors, but it can produce progress
The answer is option C "Calories" Calories is a unit of measure for food or energy. Calories are also the amount of energy you consume when you eat or drink something. Kilocalorie are equal the amount of 1000 calories.
Hope this helps.
