Read this excerpt from "Edward Jenner and the History of Smallpox and Vaccination.” The origin of smallpox as a natural disease is lost in prehistory. It is believed to have appeared around 10,000 BC, at the time of the first agricultural settlements in northeastern Africa. It seems plausible that it spread from there to India by means of ancient Egyptian merchants.

PLEASE HELP
What is the central claim of the excerpt?

It is difficult to trace the beginnings of smallpox.
Smallpox was most dangerous in prehistoric times.
Smallpox most likely originated from farms in Africa.
It is unclear how other diseases are related to smallpox.

Parallel structure practice instructions: if the sentence below does not have a parallel structure, retype it in a different color using parallel structure. if the sentence does have a parallel structure, type “correct” in a different color. 1. jumping, sprinting, and throwing the javelin are three activities involved in track and field. 2. marsha said that she would either go to see a movie or go to the park. correct. 3. moe and hank are planning to carpool to the party, to dance, and attending the after party. 4. bob had an active life: he swam twenty laps, ran five miles, and lifted weights every day. 5. to walk in another man’s shoes is knowing him. 6. to teach is to inspire young minds. 7. stephen’s mom complained that he had too many bad habits: he would never clean up his room, brush his teeth, or vacuuming the house. 8. justin likes swimming, hiking, and to go to concerts. 9. new orleans is famous for its food, jazz, and bourbon street. 10. cafe du monde is famous for its beignets, the coffee, and its cafe au lait.

His is a verbal or oral response to an argument presenting an opposite viewpoint. slanted wordstabloid thinkingappeal to authoritybandwagoncard stacking generalityintertextual referencesname callingplain folks tactics

Which best compares the authors’ purposes in silent spring and “save the redwoods”? both authors want readers to protect human rights. both authors want readers to focus on saving trees. both authors intend to entertain readers with their essays. both authors intend to convince readers of their viewpoint.