Which is the BEST example of a domain-specific​

You've arrived at the cafeteria! there is a trap door in the pantry which has been covered up by an atlas. choose the square which shows greenland to open the door.

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

Which paired device and theme does the poet convey in these lines