What did Earth’s continents and oceans look like 250 million years ago, or even 1 billion years ago?
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EarthViewer
EarthViewer
What did Earth’s continents and oceans look like 250 million years ago, or even 1 billion years ago?
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What did Earth’s continents and oceans look like 250 million years ago, or even 1 billion years ago?
看更多 » What did Earth’s continents and oceans look like 250 million years ago, or even 1 billion years ago?
看更多 »