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 po
hopes it help=_= Yun lang po bye
Answer:
These include fostering healthy and responsible behaviours; promoting equitable and mutually respectful and responsible gender relations; increasing reproductive choice especially for women; increasing male responsibility in reproductive health; meeting the information, education and aervuce needs of women.
Explanation:
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Without the urinary track the kidneys wouldn't be able to take the liquid waste off of the body, and without the kidneys the body wouldn't be able to stay clean and healthy.