The answer would be “The fiat system of currency was a great improvement over the commodity and representative systems of currency.” so the answer is (b.)
Clarisse McClellan is the teenage girl Montag meets when he is walking home from work late at night. Her ability to strike up a conversation with Montag shows that she is not shy. Her late night walks and thoughtful conversation demonstrate that she is not rigid or law-abiding. Clarisse is a young girl who likes to think and talk in a society that does not value independent thought.
This is your answer:
Braille
Braille is something that blind people feel with their hands and from the certain textures they can interpret that into what it reads. It is basically a way to make reading for the blind possible!
Hope this helps!