Answer:
As a state in America I am round on both sides and high in the middle.
I have more shoes than anybody, but less feet than everyone. I am met in the morning, but departed in the night. I may shake as if I'm angry, but I won't bite. What am I?
I'm light as a feather yet the strongest person can't hold me for more than a few minutes. What am I?
A little pool with two layers of wall around it. One white and soft and the other dark and hard, amidst a light brown grassy lawn with an outline of a green grass. What am I?
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.