Earth is estimated to be 4.6 billion years old and ever-changing. Scientists have organized Earth’s history into geologic time periods. These time periods include the Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras. Within these eras can be found various climates, landforms, and living things that have changed and evolved over time. How did the climate change over the course of the history of Earth?
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Autor Angela Pike
Categorias 6-8 años, Ficha para imprimir, Geología, 8-10 años, Experimento/Práctica, 10-12 años, Science Fair - Education, Ciencias de la Tierra y Medioambiente, Inglés add
Data de publicação 27 / 08 / 2020
Licença Respeita a licença original do recurso.
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