The prevalence of smoking

The prevalence of smoking
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assignment, it includes 5 tasks. I have finished up the first 3 tasks and I just need your assistance in the remaining tasks which are tasks 4 and 5 in no more than
1000 words, and some additional needs like at least 2 peer-reveiwed journal article references. I will upload the assignment details plus the first tasks that I’ve
figured out and please be sure that you cover every thing in the attached files.