Answer:
How many teenagers does it take to empty the trash, take it out, and put in a new garbage bag?
Why did the tomato turn red?
What do you call a fish without an eye?
Why aren't Koalas actual bears?
What's large on Saturday and Sunday. Small on Tuesday, Wednesday, and Thursday, and disappears on Monday and Friday?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?