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4 votes
Causes damage to the alveoli and increases the production of mucus in the mouth, throat, and lungs.

User Sunshine
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2 Answers

4 votes

Answer:

The answer is : Tar

Step-by-step explanation:

User Sushil Bansal
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7.9k points
1 vote
The answer is : Tar

Tar is some sort of residual substance that we commonly found in tobacco products, which could cause the symptoms you've mentioned above

not only that, Tar is a highly carcinogenic substance, which mean that it generate high risk of cancer it get into our system
User Nimey Sara Thomas
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8.3k points
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