What tool can a student use to make sure his or her paper does not inadvertently take credit for someone else’s work

Dustball Software

Explanation: Out of the four options given being, word processor, Internet, Encyclopedia, and Dustball Software. Answer is (Dustball Software: it's a plagiarism checker.) Hope this helps!

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the maximum speed limit is 55 mph on a two-lane undivided highway and for vehicles towing trailers.