Punctuate I passed all of my final exams now I can prepare for graduation.

You take your pick:

I passed all of my final exams, and now I can prepare for graduation.I passed all of my final exams. Now, I can prepare for graduation.I passed all of my final exams, so now I can prepare for graduation.

(#1 is your most logically structured option!)

Explanation:

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Claim for social media: social media is a growing issue in our society but, is it really an issue. social media can allow children and young adults to see different aspects of culture, communicate, and share experiences with peers.counterclaim: although social media can be distracting to children and young adults, limiting usuals in social media can ensure social media is an addition and not a control factor to your day to day life.