Why?

1. Why do they call bulidings buildings, when they're already finished? Shouldn't they be called builts?
2. Why are they called apartments, when they're all stuck together?
3. Why do sour cream have an expiry date?
4. The light went out, but where to?
5. Why do banks charge you a "non-sufficient funds fee" on money, when they already know you don't have?
6. Why do people go to Burger King and order a Double Whopper with Large Fries and insists on getting a Diet Coke?
7. Why is carrot more orange than orange?
8. When two planes almost collide, why do they called it a miss? It sounds like a near hit to me!!
9. How come abbreviated is such a long word?
10. How do "Keep off the grass" signs get where they are?
11. Why do scientists called it research, when they are actually looking for something new?
12. If vegetarians eat vegetables, what do humanitarians eat?