• amit choudhari
• 18 May, 2020

The Paleozoic era, which ended around 250 million years ago, was a period marked by intense climatic, geological, and evolutionary change. This period witnessed a rapid and widespread diversification of life brought on by the most severe mass extinction ever witnessed on this planet. Organic life-like plants and marine animals died during this era and their remains got buried thousands of feet below the surface of the earth.
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