Hello!
"Quickly" is an adverb since it is describing the verb, "sped."
It answers the question "how did it speed?" - It sped <em>quickly</em>.
Answer:
You could get info on Mozart from Wikipedia, biography.com, britannica.com, classicfm.com, newyorker.com, classicsforkids.com and naxos.com.
Hope it helped.
The answer is Monotonous.
eg. Talking in a monotonous voice.
<span>The three equivalent ratios are:
6/10
9/15
12/20</span>
Im pretty sure the answer is D.