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What is the first thing on earth?

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The earliest evidence for life on Earth arises among the oldest rocks still preserved on the planet. Earth is about 4.5 billion years old, but the oldest rocks still in existence date back to just 4 billion years ago. read more

So even if we all knew exactly what happened back then, we might not agree on which step was the "first living thing". Possibilities Before life appeared on earth, the organic material which now forms part of all living things would have existed mostly as simple organic compounds in the sea. read more

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