Answer:
What is something you can hold without ever touching?
What has holes on each side, but can still can hold water?
Once you know it exists, it no longer exists. What is it?
I am the red tongue of the earth, that buries cities.
There is 10 birds on a branch, a man shot 5 of them. How many were left?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.