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  • Chii chinonzi nicotine yemunyu?

    Muchimiro chayo chechisikigo, nicotine munyu weprotic unowanikwa muzvirimwa zvefodya.Mune mamwe mazwi, iyo nicotine molecule ine imwe proton inoisunga kumunyu.Mhando yemunyu yenicotine haina kunyanya kushanduka, zvichiita kuti zviome kuwana goho rakakwirira panguva yekuchera.Naizvozvo, nyanzvi yefodya...
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