Plagiarism is immoral, and a research paper that contains plagiarism is equally unethical, and such a paper is regarded as low-quality.
Options (2) and (3) are the option that proves the content aren't plagiarising.
What is plagiarism and how it is avoided?
- Plagiarism is when you present someone else's work or ideas as your own, with or without their permission, by incorporating them into your work without giving them full credit.
- Put quotation marks around the duplicated sentence and an in-text citation to explain who the source was to avoid plagiarism.
Learn more about Plagiarism, refer below
https://brainly.com/question/4344528