I believe it is a metaphor as falling from cloud 9 was usually used in older movies to express that they had fallen in love
<em><u>Answer:</u></em>
b) The comma attempts to join two independent clauses.
<em><u>Explanation:</u></em>
When two ideas come together and either one of them can stand by itself as its own, independent sentence, then the use of the comma is correct:
Comma + a conjunction (and, but, for, nor, yet, or, so)
Answer:
It's quite a big room, <u>isn</u><u>'</u><u>t</u><u> </u><u>it</u><u>?</u>
