By which process tar is formed in our lung's ?
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Explanation:
A chemical substance made when tobacco is burned. Tar contains most of the cancer-causing and other harmful chemicals found in tobacco smoke. When tobacco smoke is inhaled, the tar can form a sticky layer on the inside of the lungs.
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Answer:
===>A chemical substance made when tobacco is burned.
===>Tar contains most of the cancer causing and other harmful chemicals found in in tobacco smoke
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