Answer:
I am a mountain at night, meadow at day. What am I?
I can wake you up in the morning but I require no electricity or winding. What am I?
I am always around you but often forgotten. I am pure and clean most of the time, but occasionally rotten. What am I?
What has banks but no money a bed but no sleep waves but no ocean?
I am a nut with a hole
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.