Answer:
cats and deflation tires make this noise.
A large oasis in the desert. Come with cash and leave with none.
I am what one cannot keep, two cannot hold, and three cannot destroy. What am I?
Poor people have it. Rich people need it. If you eat it you die. What is it?
I tremble at each breath of air, and yet can heaviest burdens bear. What am I?
The more that there is of this, the less you see. What is it?