Answer:
What has a bell but isn't a church. Is full of air but is not a balloon?
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
What hangs others yet can unintentionally hang itself?
Which button does not function when being pressed?
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
I break away from my pack. I create holes in my victims. I can travel for miles and then disappear. I am part of a dying breed. What am I?