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Favorite Answer
Because a lot of people want to understand the reason behind things. It's also a very common for children to begin sentences that way, because they are trying to learn about the world around them or the reasons they are told to do or don't do certain things.
LAN
Why do you ask?
Anonymous
Ultracrepidarian's is why. Those are the questions they like to answer.
Pearl
cause it lets people know youre asking a question
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Ironic.........