Answer:
bone density.
Explanation:
I used precess of elimination. U cannot improve the bone density by working out. You can improve your cardiorespiratory fitness by doing cardio, e.g. cycling, swimming, running etc. You can improve muscular strength by working out, e.g. push up, sit ups, etc. you can also become more.flexible by expanding ur muscles and tissues.
Well it does not matter what time of the day it is, so it is not A. I think that that B is a possible answer but I think that it depends on the person. I think C makes the most sense so far so lets read the last one to make sure. I don't think it matters what exercise is being performed so it is not D. So after observing the question, The best answer would be C.
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A carcinogen is defined as an agent (e.g. chemical) that can increase the risk of cancer.
Exposure to the carcinogens present in tobacco smoke increases the risk of developing cancer.
It causes lung cancer.
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