Answer:
I can wave my hands at you but I never say goodbye. You are always cool when with me even more so when I am high!
The more I dry, the wetter I get. What am I?
A large oasis in the desert. Come with cash and leave with none. What am I?
I shrink smaller every time I take a bath.
You turn me over after you have travelled far.
What language does a billboard speak?