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Explain how cigarette smoking causes lung cancer

      

Explain how ciggarete smoking causes lung cancer

  

Answers


Mercy
Ciggaretes contain various carcinogenic(cancer-causing) substances,among them tar.Tar affects the DNA of the lung cells,causing spontaneous changes in their genetic make-up(mutations).The mutations cause lung cancer.
Chiry answered the question on November 7, 2017 at 17:50


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