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Title: The first complex life appeared on Earth about 0.5 billion years ago. What period was that? Post by: nsdq007 on Jun 24, 2024 The first complex life appeared on Earth about 0.5 billion years ago. What period was that? ▸ the Jurassic Period ▸ the Cambrian Period ▸ the Precambrian Period ▸ the Neolithic Period Title: Re: The first complex life appeared on Earth about 0.5 billion years ago. What period was that? Post by: shanej399 on Jun 24, 2024 Content hidden
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