Answer:
I am needed for most animals and hardcover books. What am I?
I am a popular afterlife location to send evil people
You shoot me but I don't die. You hang me but I don't die. What am I?
I hold two meanings. With one I may be broken, with the other I hold on. What am I?
What has an eye but cannot see?
Sometimes I am white, sometimes I am dark. Most people love me. What am I?