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OpenStudy (gokuporter):

How many chemicals in cigarettes are known or suspected to cause cancer? more than 10 more than 20 more than 50 more than 75

OpenStudy (gokuporter):

@Rushwr

OpenStudy (anonymous):

d

OpenStudy (gokuporter):

are you sure?

OpenStudy (anonymous):

pretty sure

OpenStudy (gokuporter):

oh okay

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