Answer:
My first is in fish but no in snail. My second is in rabbit but not in tail. My third is in up but not in down. My fourth is in tiara but not in crown. My fifth is in tree you plainly see. My whole a food for you and me.
I can be written, I can be spoken, I can be exposed, I can be broken. What am I?
Poor people have it. Rich people need it. If you eat it you die. What is it?
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
I go up and never come down no matter how hard you wish. As I get higher more wrinkles crawl onto your face.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?