According to professor of criminology daniel tuck, during
the 1970s, when more people were executed than in any
other decade, crimes rates actually rose 25 percent across
the country (4).
what is wrong with this use of a direct quote?
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a. it uses incorrect punctuation when implementing the quote.
b. it comes from a source who does not seem credible.
ooo
c. it fails to tell the reader who actually said the quote.
d. it does not include quotation marks around tuck's words.

D. It does not include quotation marks around Tuck's words.

Explanation:

In the sentence, there are no quotation marks to indicate the original words extracted from Daniel Tuck's work. Therefore, the revised version would be:

According to Professor of Criminology Daniel Tuck, "During  the 1970s, when more people were executed than in any  other decade, crimes rates actually rose 25 percent across  the country."

c -invasion by the moroccans.

"the sandy walls seemed to collapse in on themselves"

and

"the bloodshot waters seemed to have no bottom"