I think it’s the last one
I think it might be A but I'm not sure
Dancing involves a lot of muscles.. it depends what kind of dancing and it’s health related because it helps with your breathing and breathing patterns.
BE nice to your self
you do you
Remember that everyone makes mistakes
Focus on what you can change
From what i heard, when carbon monoxide is in a person's blood (smoker or non smoker) it can kill you, it is a sign of poison in your blood. With smokers it is worse because they are smoking something that has a high content of carbon monoxide which can cause heart problems, lung cancer, birth defects, etc. So thats what i think