You need what done? u have no picture attached
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:
A. Stroke
Explanation: Hypertension is high blood pressure. High blood pressure cause blood clots which lead to strokes.
Answer:
Tidal volume is the volume of gas that is moved in and out of the lungs per breath. The normal tidal volume is 6 to 8 ml/kg, regardless of age.
Explanation:
