Tar, carbon monoxide, nitrogen oxides, theyre harmful because they cling to the red cells in the blood and up to 15% of a smoker's blood may be carrying carbon monoxide round the body rather than oxygen.Smoking 'lower tar' cigarettes can increase the carbon monoxide levels as smokers inhale more deeply.Cigarette smoke has high levels of nitrogen oxide.
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Answer:
Well I do not think it would be A or B. The best answer I can give you is D. If you talk to someone face to face it makes the message more clear and the person will be able to understand better, plus it's another good way to give a message rather then mailing or something like that. If the answer is not D however then it would be C.
Explanation:
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True fern fronds grow from underground stems called sori.
That’s nasty and grossss please don’t do that