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becky28 becky28
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A month ago

Approximately how old are the oldest rocks found on Earth?



14 billion years old



10.5 billion years old



7.0 billion years old



4.4 billion years old

Textbook 
ASTRO

ASTRO


Edition: 3rd
Authors:
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OCbobaOCboba
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A month ago
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becky28 Author
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A month ago
You make an excellent tutor!
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Thanks for your help!!
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Thanks
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