<span>The answer is: [B]:
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"Kotowski cites four scholars who specialize in the study of volcanoes, whereas Ferguson cites only the encyclopedia." .
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The correct method of documenting a source using MLA format is "This technology was first introduced back in the seventies (Hamilton 83)," option B.
<h3>How to document a source in MLA style?</h3>
First, we must pay attention to whether or not the citation already contains the name of the author. If it does, there is no need to place the name in parentheses. Thus, we can eliminate options A and C.
Second, we must see if the page number is mentioned in parentheses. It should be placed after the author's name, without a comma separating them. Thus, we can eliminate option D.
With the information above in mind, we can choose option B as the correct answer, "This technology was first introduced back in the seventies (Hamilton 83)."
Learn more about MLA style here:
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Answer:
Held Up
Explanation: If we take each option and place it in the blank of the sentence, we can see which one makes the most sense.
A. The train was <em>held back</em> by a heavy snowfall.
B. The train was <em>held out </em>by a heavy snowfall.
C. The train was <em>held off </em>by a heavy snowfall.
D. The train was <u>held up</u> by a heavy snowfall.
