It provides background information on the topic.
and It gives the main topic of the paper.
Answer:
complex
Explanation:
A compound sentence has two independent clauses that can stand alone.
A complex sentence has one independent clause and one dependent clause.
Answer:
HSHSHSHSHSHSHSHSHHSHSHSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
Explanation:
SHHHHHHHHHHHHHHHHHH SPLIT WIGS
Wool is warm, but synthetic fibers are more water resistant.
This sentence is correct.
I'd probably say c. because the other options don't make too much sense.