The answer that isn't an example of plagiarism would be 'D. Quoting with Source' that means you are giving credit where credit is due and not taking or copying other work which is the definition of plagiarism.
I'm not sure about the second one but I believe it might be 'A. Students and Teachers'.
Hope this helped!
I believe the answer would be the JPEG file extension.
Someone who wants to learn a skilled trade on the job should consider enrolling in class for the knowledge and skills.
Answer:
I believe it's accessibility
Explanation:
Because it makes the most sense
Help each other because if the other sister is older she should have more experience and knowledge