Earth, 660 million years ago – Rodinia. Late Precambrian, the surface was often…


Earth, 660 million years ago – Rodinia. Late Precambrian, the surface was often covered with glaciers, it's surface rocky. Greening of the surface doesn't happen till multicellular life forms, beginning with algae and lichens.

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This Healthy Lemon Parmesan Roasted Asparagus recipe is a quick and easy vegetab…