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.

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 India.
It is unclear how other diseases are related to smallpox.

Where sarah live? a. are b. is c. do d. does

Read the excerpt from "politics and the english language" by george orwell. by this morning’s post i have received a pamphlet dealing with conditions in germany. the author tells me that he "felt impelled” to write it. i open it at random, and here is almost the first sentence that i see: "[the allies] have an opportunity not only of achieving a radical transformation of germany’s social and political structure in such a way as to avoid a nationalistic reaction in germany itself, but at the same time of laying the foundations of a cooperative and unified europe.” which statement is correct? orwell uses an example and statistical evidence in this excerpt. orwell uses an example and a quotation for evidence in this excerpt. orwell uses hypothetical and factual evidence in this excerpt. orwell uses hypothetical and statistical evidence in this excerpt.

What is the meaning of the word "caches" as it is used in paragraph 6