Answer:
As a state in the USA, I am round on both sides and high in the middle. What am I?
Tear me off and scratch my head, what once was red is black instead. What am I?
You went into the woods and got me. You sat down to seek me. You brought me home because you couldn't find me.
When it comes to me, you go on red and stop on green. What am I?
Four fingers and a thumb, yet flesh and blood I have none. What am I?
The answer I give is yes, but what I mean is no. What was the question?