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A group of students were investigating the effects of smoking on grass frogs for a research paper.They hypothesized that keeping the frogs in a smoke-filled environment for defined periods of time would result in the animals developing lung cancer.However,when they searched for previously published information to support their hypothesis,they discovered they were wrong in their original assessment.What potential harmful effects could carcinogens from tobacco smoke likely have on the frogs,if not lung cancer?
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