For each of the following sentences, choose the answer that correctly uses commas to set off appositives. If the sentence is correct, choose “Correct.”
For help with this exercise, see section 30c of Foundations First, Fifth Edition.
Forensic detectives scientists who investigate crimes study murders that occurred long ago.
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Bill Maples a forensic scientist tests corpses to find out if the deceased was murdered.
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Zachary Taylor, the twelfth president of the United States, died of a mysterious stomach ailment in 1850.
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Taylor may have been poisoned by political enemies, claims Clara Rising, a historical novelist.
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Maples and other scientists looked for signs of arsenic a deadly poison in Taylor’s body, but they didn’t find any.
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Maples was also asked to identify the skull and bones of Francisco Pizarro the Spanish conqueror of Peru.
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A brutal ruler Pizarro was murdered by native Peruvians in 1541.
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A forensic scientist James Starrs studied the murder of another American political figure from the past.
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Huey Long U.S. senator and former governor of Louisiana was allegedly shot by a young man in 1935.
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Tests by forensic scientists show that Carl Weiss a twenty-nine-year-old doctor may not have been the murderer after all.
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