Online Riddle Game

Three men are in the boat. It turned over, but only two hairs were wet. Why ?

He has been married to many women, but never married. Who is he ?

What can you destroy, even if you never pick it up or touch it ?

What goes up but never comes down ?

I shave everyday, but my beard stays the same. What me ?

The more there is, the less you see. Whats that ?

What is made of water but if you put it in water, it will die ?

What is light as a feather, but the strongest man in the world cant hold it for more than a minute ?

When he left he flew, when he returned he swam. Who is he ?

What school doesn't have a teacher and no students ?