Answer:
I am seen in the water. If seen in the sky I am in the rainbow a jay's feather and lapis lazuli.
I belong to you but others use me more often than you do. What am I?
The person who makes it sells it. The person who buys it never uses it. The person who uses it never sees it. What is it?
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
What goes through cities and fields but never moves?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.