Good Samaritan laws would be the answer to your question
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!
The answer is false i think As with exams and self checking is the only way to catch breast cancer early.
Communication. When you communicate with someone you talk to each other. However if you are listening to someone's problems and helping them through something by sharing feelings this can also be caring, so it's up to interpretation.