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!
I think one thing you could do in order to measure your cardiovascular strength you can do a full sprint run. In order to help improve your fitness levels you can swim, jog/run, body weight exercises, and a balanced diet.
Concern goes beyond empathy, in that one does not simply care about another's need but also "depends" on them
Answer:
C) meditation
Explanation:
Meditation has been proven to calm many people down during panic attacks and to even prevent them if performed daily.
Answer: Due to the rise in c.o.v.i.d 19 many people wear mask to protect themselves
Explanation:
