Which type of graphic would best represent the main points in Passage 1?
a picture of the sundial that replaced the first tower
a technical drawing showing the height of the
tower
a map of the city in which the tower stands
a time line of important dates in the history of the
tower

Why is it important to include a descriptive subject heading? it in sorting the topics. it the recipient see its importance. e-mail programs won’t allow e-mail to be sent without it. it keeps junk e-mail separate from important e-mail.

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

What is the italicized part in the sentence , all of the operators are efficient.