cjthemith cjthemith

25-10-2017
Biology

contestada

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

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jwhelliwell jwhelliwell

25-10-2017

It's has 250 chemicals that cause cancers

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nichellec925 nichellec925

25-10-2017

At least 69 of the chemicals in tobacco products can cause cancer

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