>Depends on what the purpose of the question is....
It may come as a shock, but sometimes questions are asked to gain information.
Why are rainbows curved?
Is there anyway that question could be set up to make a point?
I know the answer relates to the angle of the hydrogen atoms. But, for the life of me, I can't think of a way to ask that question to reinforce a point of view. Can you?
Imagination is more important than knowledge