Answer:
Barren location, infertile and dry; my name means "to leave", it's not heard to see why
I have a pet, his body is full of coins
The edge of earth and bread.
Can describe a distress signal or flashy accessories.
It is in every mountain, it's not in any hill, it's not in all the world, and yet it's in the mill.
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?