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:
Tired
Because when you exercise your heart and pulse beats faster and faster making you very tired and also you might get sweaty
Explanation:
brainiest plz
The best answer would be C. Maintain caloric intake and reduce sugar. Dieting will do no good when injured, but remaining at maintenance calories and eating clean will help recovery speed up a little. Sugar is less critical to other nutrients for fast recovery.
