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  It was formed from a disk of dust and gas that orbited the Sun. Planetesimals and other smaller rocky bodies collided and gradually grow into a planet.
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  After the fragmentation of Rodinia, 3 continents were formed. They came together and formed Pannotia in the late Proterozoic.
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  Is one of the first ecosystems to host macroscopic and complex organisms
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  Algaes start to appear on the Earth
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  It occurred in Scotland, Ireland, England, Wales, and western Norway during the Silurian and Devonian periods approximately 444 to 416 million years ago.
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  it occurred at the end of the Paleozoic. It lasted about 100 million years. It was the product of the collision between Euramérica and Gondwana
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  It was formed by the movement of tectonic plates, which united all the previous continents into one.
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  They start to appear on the jurasic
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  Occurred during the Cenozoic. India collided with Eurasia forming the main mountain ranges of Southern Europe and Asia