Answer:
Explanation:
I think this can answer your question.
Breathing can be represented in this way that show the inflation of the lungs
Answer:
bench press
Explanation:
you use your arms to lift and lower the weight.
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:the atmosphere.
Explanation: it’s the protective layer