Number One would be the main idea since the passage is related to relationships.
Answer: C
Explanation:
I’m not really sure I’m just guessing
The snow is a white blanket.
The hospital was a refrigerator
.The classroom was a zoo.
A figure of speech, a word or phrase being applied to an action or object that is not applicable.<span>
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The first one and the third one both look like good answers. But if I had to choose one, I would go with Piston because its talking about technology. The piston is part of an engine so it would have to do with technology. :)