Throughout history, the surface of Earth has changed apperances. This drawing shows the Earth at the beginning of the Cambrian era, 570 million years ago. No one knows what the continents looked like in the Archean, before the Cambrian era, nor whether there were any continents on the surface of the Earth.

570 million years ago,during the Cambrian era, the continents looked like this. No one knows what the continents looked before, during the Archean era.

This picture shows Earth 570 million years ago,during the Cambrian era.

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