D. How does the lack of sleep hurt someone's health?
Answer:
an adverb
Explanation:
Swiftly would be an adverb because it is describing the verb flies. An adverb is any word that describes a verb. A helpful way to help find them is that they usually end with an -ly, but remember that not all adverbs end in -ly.
Answer: B
Explanation: i answered it and got it right
Fifty cents is a plural noun since it is talking about more than one cent. In the example, you would say, "fifty cents <em>is </em>how much I owe you".
