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!
rights: accept the desicion
responsiblites: stop talking to them and dont make a fuss over it
sorry if this isnt the best
Friends, parents, wife/husband, siblings, teachers.
Visualization training helps athletes to mentally prepare for competition. The process of visualization includes imagining success, focusing on goals, perfecting skills, and increasing one's ability to focus on the task at hand.
Hope this helps
Currently mine is 73! Most experienced athletes have lower than average resting BPMs. Healthy and skilled athletes have an average of 40 BPM. Hope this helped!
