In the world of academics, style guides emphasize the proper way to create

In the world of academics, style guides emphasize the proper way to create "citations".

In scholastic studies, style guides stress the correct method to make citations, which are formal references to crafted by others. Analysts in the social and behavioral sciences utilize the American Psychological Association (APA) style guidelines, which is intended to enable researchers to filter an article rapidly for key focuses and underscores the date of publication in references. Other scientific and specialized fields have their own particular style guides.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."