Answer:
B
Explanation:
The comma helps separate the two clauses, even though it's not needed.
An independent clause is a complete sentence so it can be by itself. However, a dependent clause is an incomplete sentence. Based on that knowledge, you can tell that:
'And my sister came to meet us' is a dependent clause, while 'We were waiting outside because it was a nice day' is an independent clause.
PERIOD. UvU
Answer: An urban heat island is, a metropolitan area that is a lot warmer than the Ruel areas surrounding it
Imager is the way a writer uses language that appeals to senses.
I am pretty sure it is "became". Hope that helped :)