Answer:
A. key points
Explanation:
a summary is for the audience to quickly grasp the entire article/story/passage(etc.), it should be short and sweet, consisting only of the key points. your personal opinions are not required. background information is unessential, because it would cause your summary to be too long, and summaries are meant to be short so as to bring out the main topics only, not cover the entire passage. minor examples are optional to include, but not needed as well.
Answer: air
Explanation:
air is a medium that sound travels through
I think it’s C because your expressing yourself .
The answer here is B, because in the second paragraph, it says that the team never got the parts
