Answer:
I'm flat. You use me everyday. You need me to live. But you give me away everyday. I'm coloured and I have a founding father on me. What am I?
The sharp slim blade, that cuts the wind.
What relies on columns but isn't a house, and asks for help but can't speak itself?
What can you put in a barrel to make it lighter?
There is a puzzle which can be asked all day with a different correct answer each time. What is the puzzle?
Why did the stadium get so hot after the game?