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!
Without knowing the answer choices i think his waist is normal but the BMI should most likely be examined.
Answer:
yes
Explanation:
it is cause by climate change it is sometimes called omnicide
Answer:
1) anemia (condition in which the blood cannot carry enough oxygen to the body) 2) type 2 diabetes 3) heart disease 4) hypertension (high blood pressure)
Explanation:
Doctor talking angrily to the nurse
