Which sentence is written in passive voice?

What effects does roosevelt hope to have on americans with his apeal to emotion

How is “a brief study of guts” organized? cause and effect chronological order fact by fact problem-solution

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