Answer:
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
Plant whose name sounds like a dish full of dairy spread.
Two men walk into a restaurant. One man orders H2O. The second man says, “I will have H2O too.” The second man dies. How come the second man dies?
Hard to catch, easy to hold. Can't be seen, unless it's cold.
What do angels sing in the shower?