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 | I have a test today and it was over the atmosphere, do you remember when the atmosphere was formed? | |
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| I would say about 4.6 billion years ago | |
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| If you imagine yourself on the moon and look down at the Earth, it's easy to question what it was made of | |
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| Oh! I think I know, was it made out of hot mixes of gases and solids right? | |
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| I'm pretty sure, do you know where those gases came from? | |
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