Answer:
produce sound when they come together and then vibrate as air passes through them during exhalation of air from the lungs. This vibration produces the sound wave for your voice. In order for the sound to be clear and not raspy or hoarse, the vocal folds must vibrate together symmetrically and regularly
Explanation:
<span>The answer would be B: </span><span>write down exactly who wrote the information and where it comes from
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Documenting a source is another way to say Citing a source. When you cite a source you are telling where you got the info and who was the author of that info. When you don't cite a source that is called PLAGIARISING. Plagiarism is illegal and in most schools, there are huge consequences. So, when you use info that is not yours, make sure to cite it :)
Hope that helps!
-Chris</span>
B after 10 years the risk of dying from lungs is cut in half
I think it would be A I'm 80 percent sure