I would have to say the answer is C.
A is incorrect since hydrogen is not an air pollutant.
B is incorrect because ozone is most definitely one of the top.
And D has cyanide which is a chemical for suicide during wars.
Hope this helps!
Answer:
Ensure a nutritious diet and adequate calcium intake.
Avoid under-nutrition, particularly the effects of severe weight-loss diets and eating disorders.
Maintain an adequate supply of vitamin D.
Participate in regular weight-bearing activity.
Avoid smoking and second-hand smoking.
Avoid heavy drinking.
Explanation:
Answer:
Agility is the ability to move quickly and easily. It'll help him run faster and it'll help dodge opponents coming at him.
