Sorry about the other person who didn’t answer your question u should report them the answer is - An attributive tag, also known as a signal phrase, is used to smoothly incorporate source material into an essay. The attributive tag should include the author's name and article title—sometimes the article title may be omitted if it is making the prose too clunky or repetitive.
The black moths were more fit for survival, and their phenotype frequency increased because of that
The verb is stay. It is an action verb.
The definition of compulsory is required by law or a rule; obligatory.
