Please help me im begging you!! (links will be reported)

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Which would be the most credible source for researching the effects of smoking? letter from your grandfather web page about someone’s lung cancer report prepared by a tobacco company research article in a scientific journal

This lesson explored netiquette as well as the negative implications of internet use, such as privacy invasions and cyberbullying. what are three online practices that you will change after this lesson? first, list the three things that you'd change. then, describe the new behaviors and explain your reason for adopting them.