Which era was the paleozoic era
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Ответ:
541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history.
source- Britannica
Explanation:
Ответ:
Advantages: it keeps the planet from freezing over. Disadvantages: it causes heat to be trapped in the atmosphere forever.
Explanation: