It would be a common noun because it is not capitalized. an example of a proper noun is like France
I don't get it either maybe try google just trying to help
Answer:
I am pretty sure it would be the second one.
Explanation:
I think this because the title of the paragraph is "Life Without Gravity" would mean to live without gravity, and the second one is talking about astronauts living without gravity.
The *Argument* is the *fifth* choice the the *Claim* is the *first* and *second* *choice*.
While metonymy replaces a concept or object entirely with a related term, synecdoche takes an element of the object and uses it to refer to the whole, and metaphor uses unlike things to draw an interesting comparison. For example, the wheels are one part of a car.