Answer: What is the poem, and be more specific of what you want us to answer
Explanation:
Then I will help.
A: So listeners can stay awake and alert.
C. aroma
Also plz help me on my math questions. Hoped this helped
B.
<span>Unemployment is high in many fields, but there are jobs available in telecommunications.
A comma is used when it is placed after the end of one independent clause and the beginning of another which follows one such clause. The two independent clauses must be joined with words known as co-ordinating conjunctions. Examples of such words are, but, and,or so etc.
In this sentence but is used, </span>preceded by a comma so it is the right one.