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.

Match each excerpt with the type of essay it represents. descriptive essay narrative essay expository essay persuasive essay essay excerpt type of essay when hal arrives at the pond, a bleak sight greets him as he discovers the surface of the skating pond is layered with snow. realizing he is facing a monumental task, he industriously begins to shovel the mounds of new snow from the frozen pond. lifting shovelful after shovelful of heavy wet snow, hal tirelessly works. while he works, he dreams of his brilliant future as a magnificent hockey star. soon a massive pile of glistening snow begins to appear on the bank, and the icy surface of the pond is smooth glass. hal’s back and arms ache as he eagerly exchanges his work boots for an old, worn pair of hockey skates. arrowright potter's lake used to be the nicest lake in the area. but these days the water is green with algae, and the lake is choked with weeds all summer long. as a result, people can no longer swim in it. experts have determined the cause of the problem.fertilizers from yards and farms have been running into the lake. they cause algae and weeds to grow out of control. they also kill birds and fish. arrowright a hard, gray mountain loomed over a serene, florescent-blue lake, which gently lapped at its granite base. miles above the lake, a trio of mountain peaks jutted into the sky. each seemed to be topped with a chilled scoop of vanilla ice cream. as a cold and distant sun crept over the peaks, the lake and valley below instantly became suffused with blue light, which seemed to touch everything but warm nothing. morning had arrived. arrowright since 1897, the population of the bachman's warbler in north carolina has decreased from more than 500,000 to fewer than 100. the main reason is the destruction of areas (like asbury woodlands) that the bird uses for its natural breeding grounds. bachman's warblers prefer thickly wooded swamps and wet thickets in heavy, full-grown forests. it’s there that they can build their nests and feed on insects. this fact does not mean that we cannot build a community theater. we simply must not build it in asbury woodlands. after all, our community has forever prided itself on caring for our natural surroundings. with the council’s and the support of our townspeople, future generations will be able to continue to appreciate the beauty of this little bird

Answer asap the importance of being earnest! 21. identify and explain how symbolism was used in the play. respond in complete sentences.

Which of the following is an acronym for north american free trade agreement