He probably uses a metaphor because a simile uses the words like and as and a metaphor does not use the words like and as. Hope this helps!
Answer:
Kuiper Belt a donut-shaped region of icy bodies beyond the orbit of Neptune in our solar system.
Our understanding of Kuiper Belt is still evolving, since we’re just beginning to explore it.
Millions of icy objects in the Kuiper Belt are called Kuiper Belt objects (KBOs) or Trans-Neptunian objects (TNOs).
Explanation:
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:
a fast way for students to organize more information.
Explanation: