It is a simile
The sentence is comparing the arms to helicopters blades using *like
Answer:
Well i got my braces tightened and they hurt like c r a p and I have a t o n of work :)
Explanation:
It's an adjective; "The smallest puppy" is the subject of the sentence as the rest of the sentence describes it. Of course the subject cannot just be "puppy" so it must include "The smallest" as well. Since smallest is an adjective (A word that describes something else,) that answer is Adjective.
Answer: “We can be sure that many American taxpayers of the future will be asking ‘what good is it?’"