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:
I did this based on STD Prevention and Weight Management.
Make sure to rewrite in your own words or else it will be marked as plagiarized.
(Here are some apps you can use to rewrite and check for plagiarism in essays:
1. QuillBot - Use for rephrasing.
2. Plagiarism detector - Use to check for plagiarism.)
Answer:
Explanation:
Stay safe during hot-weather exercise by drinking enough fluids, wearing proper clothing and timing your workout to avoid extreme heat
Flossing, brushing twice a day and stuff