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21 votes
21 votes
How many chemicals in tobacco products have been proven to cause cancer? A. 30 B. 60 C. 1,000 D. 4,000 Please select the best answer from the choices provided. A B C D.

User Marco Magrini
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1 Answer

20 votes
20 votes

Answer:

b

Step-by-step explanation:

User Thorntonc
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