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!
Running in the morning strengthens your heart, and improves stamina after a while.
Hope this helps! ^~^
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
Omg are you ok? if you do feel that way, think of alternatives that might prevent you. for example, maybe play around with an eraser or make knots.
do stuff you enjoy as well :)
Answer:
For steak the danger zone is 40-140 degrees Fahrenheit. So Steak held at 160 is in the temperature zone.
Explanation:
