Hey, can someone help me with these tasks?please

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Make sure the topic of your persuasive essay is not a.something someone else is writing about b.a fact c.something you have written about before

Which is these is an example of circular reasoning

In a series of experiments, hershey and chase radioactively labeled dna and protein in viruses and then used labeled viruses to infect bacteria. hershey and chase's experiments definitively showed that a. dna and not protein is the genetic material. b. dna and protein work together as a cell's genetic material. c. protein and not dna is the genetic material. d. neither dna nor protein act as a cell's genetic material