1-800-2-ChaCha will answer (almost) all your questions. Just call* or text (242242) with your query & ChaCha will send a text back with your answer. Example: "Hey ChaCha, why is the sky blue?"
ChaCha: "A cloudless sky is blue because molecules in the air scatter blue light from the sum more than they scatter red light."

{* currently ChaCha only works with mobile phones } 

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