You should use brackets, [brackets]. They show that the text was let out, by still put in during editing.
Answer:
Personification
Explanation:
Personification occurs when nonhuman things are given human-like qualities. The flowers in the poem perform a human action, breathing.
Loneliness i think as solitary confinement is lonely.
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!