Suppose the author of the article on school gardens had made the following claim. How would you categorize it? “Students who attend schools with gardens have had lower standardized testing scores than students in schools without gardens for the past five years.”

Claims of cause and effect
Claims of fact
Claims of definition
Claims of solutions or policies

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