Carbon Footprint Quiz questions?

Question

What would be a good question for a Carbon Footprint Quiz?

Answer 1

Plants take C O2 in to recycle  , it gives us O2 but the plant keeps the C which breaks down into oil & gas. Plants have recycled our CO2 and is where our present supply of fossil fuel came from. The plants will continue this so there is no corbin footprint.

Answer 2

Do they make Nike's for the average footprint?  

Answer 3

how big do you have to make your carbon footprint to get the neighbor's jealous?