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19 Giu 2025

Our Planet Earth

     Earth is the third planet from the Sun and the only known planet that supports life. It is about 4.5 billion years old and has a rich and diverse environment, from oceans and forests to mountains and deserts.   Approximately 71% of Earth's surface is covered with water, mostly in the form of oceans. The remaining 29% is land, which includes continents and...

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