What Am I Riddles

 
Solve me (medium)

Question: I am as thin as paper, smaller than string. I blow in the wind. What am I?


a couple (medium)

Question: There is a couple that is always together. They go anywhere they want to go. They can't be separated. No one can touch them. They are the size of a ping pong ball. What is it?

Who am I? (medium)

By Amad

Question: What is red and white at home, but can never be that when it leaves?

Question: Many have heard me, but nobody has seen me, and I will not speak back until spoken to.What am I?

Question: A natural state, I'm sought by all.
Go without me, and you shall fall.
You do me when you spend,
and use me when you eat to no end.

What am I?