What statement best summarizes the central idea if this paragraph a . it is difficult to identify to identify ebola in dead specimens b . performing a necropsy is a tedious procedure c . signs of simian fever and ebola can be similar d . ebola has unusual effects on infected monkeys

How does the narration in this excerpt affect the storytelling? it shows rosa parks’s view of herself. it explains rosa parks’s motivation for staying seated. it shows the poet’s perspective of rosa parks. it provides a portrait of rosa parks with a lot of descriptive detail.

What happened when the boy who survived an explosion aboard a steamboat returns to town

Read this excerpt from "edward jenner and the history of smallpox and vaccination.” smallpox was introduced to europe sometime between the fifth and seventh centuries and was frequently epidemic during the middle ages. the disease greatly affected the development of western civilization. the first stages of the decline of the roman empire (ad 108) coincided with a large-scale epidemic: the plague of antonine, which accounted for the deaths of almost 7 million people. the arab expansion, the crusades, and the discovery of the west indies all contributed to the spread of the disease. unknown in the new world, smallpox was introduced by the spanish and portuguese conquistadors. the disease decimated the local population and was instrumental in the fall of the empires of the aztecs and the incas. similarly, on the eastern coast of north america, the disease was introduced by the early settlers and led to a decline in the native population. before it reached the new world, smallpox played a role in