Answer:
My seas have no water, my mountains have no rock, and my land has no grass. What am I?
I am a rock group with four members. All dead one was assassinated.
I belong to you but others use me more often than you do. What am I?
I am the thing that is used to make your weight. What am I?
What can one catch that is not thrown?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.