Answer:
What has a mouth but can't chew?
What can run but canβt walk?
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
My first is in fish but no in snail. My second is in rabbit but no 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.
What language does a billboard speak?