This topic is called science
It is appropriate for a research paper because it is not opinion based or based in fantasy, it is a real thing you can do research on.
Option 1 is not correct because the quote is no longer Mr. Cliff's wording. The last choice is also not correct because () should only be used if you need to make a letter capital or change the verb tense for the quote to make sense. [Brackets] are used when including clarifying information in quotations, and [high school students] is clarifying who "They" are. Answer B is correct.
Answer:
played in the yard
Explanation:
it tells about the subject
