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Sever21 [200]
3 years ago
9

How many chemicals in tobacco products have been proven to cause cancer?

Biology
2 answers:
user100 [1]3 years ago
8 0
It's has 250 chemicals that cause cancers
drek231 [11]3 years ago
7 0
At least 69 of the chemicals in tobacco products can cause cancer  <span />
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