Some works of nonfiction examine and discuss a focused topic and include the writer's personal viewpoints. this type of nonfiction is known as which of the following?
a. speech
b. essay
c. lyric
d. short story

B). Essay.

Explanation:

An essay is categorized as a short non-fiction work that focuses centrally on a specified topic or subject matter intending to inform the readers and at the same time include the author's personal remarks or viewpoints. An essay usually begins with central argument based on the author's perception or point of view and rest of the essay is devoted to substantiate the claim proposed by the author through different evidences. An essay has been broadly categorized into two forms literary and non-function and further into four types based on the author's intent. Thus, option B is the correct answer.

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i think i seen this before

eli whitney was an american inventor best known for inventing the cotton gin. this was one of the key inventions of the industrial revolution and shaped the economy of the antebellum south.