It’s black when you buy it, red when you use it, and gray when you throw it away Riddle

Answer: Charcoal

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Question:  What is black when you buy it, red when you use it, and gray when you throw it away?

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Correct Answer: Charcoal 

Pointing North, South, East, and West it saves the lost and helps the rest. What is it?

Answer: compass

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What do the rich need, and the poor have, and if you eat it you die ??

Answer: Nothing.

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Nothing.

Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.

Answer: books

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They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.

Answer: doors

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What travels from coast to coast without ever moving?

Answer: highway

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