Martha wants to add a video to her presentation that supports her argument. she cannot find the creator of the video so she decides to use the video without citing the source. is this considered plagiarism?

Yes. It will be considered a plagiarism.

Explanation:

Plagiarism is a word used for the "wrongful appropriation" and "purloining and printing" of different author's "writing,  expressions, opinions or concepts" and the description of them as one's own unique production. It is regarded as the academic dishonesty and a violation of publishing ethics. Therefore, if one is using the video of another without proper citation it will be regarded as plagiarized.

i'd have to with d.

explanation:

the answer to this question is d