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Megatherium Is a giant sloth that lives on the ground. the ruler of south america it was a omnivore that went extinct years ago. Early man killed The animal, and used every part of it. It lived alongside doedicrus sabertooth cats and terror birds

La quinta dimensión

Einstein said if you can’t explain it to a six year old, you don’t understand it yourself. And that sums up every person who’s ever talked about any kind of dimensions, string theory, and so on. They talk with contradictions and have explanations

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Rock Layers: Timeline of Life on EarthEvolution is a complicated subject. While everybody understands that black bears are related to grizzly bears and we can even figure they are related to extinct bears, lots of people wonder how scientists can be so su