Answer:
As a state in America I am round on both sides and high in the middle.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
My tail is long, my coat is brown. I like the country, I like the town. I can live in a house or live in a shed, and I come out to play when you are in bed. What am I?
It's red liquid but not liquid and it's not red. What is it?
I'm a ruler with 12 agents. Half of them work in the darkness. Who am I?
When is it bad luck to see a black cat?