Answer:
You must cite where you got the information.
Explanation:
If it is a direct quote, it needs to be put in quotation marks. If it is summarized, then quotation marks are not needed but at the end of the paper you must include a works cited page listing your sources of where you got all of your information. This is to avoid plagiarizing another persons work. Hope this helps!
Answer:
For the first one it would be a fragment because it isnt a complete sentence and the second one I think would be a complete sentence and the third would be a run-in sentence. All complete sentences would need a subject and a predicate! I hope this helped you! :)
Its the 3rd one your welcome