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How many of the chemicals created when tobacco burns are known to cause cancer?

A. About 30 B. About 50 C. About 70 D. About 90

User Burg
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The correct answer is C. About 70 of the chemicals created when tobacco burns are known to cause cancer. According to the Centers for Disease Control and Prevention, there are more than 7,000 chemicals in cigarette smoke, and at least 70 of them are known to cause cancer. These include benzene, formaldehyde, arsenic, and vinyl chloride. The other chemicals in cigarette smoke can also cause a range of other health problems, including heart and lung diseases. MORE
User SDW
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Answer:

I think about 70.

Step-by-step explanation:

I hope I helped

User Rohan Saxena
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