Earth 101 | National Geographic

Earth is the only planet known to maintain life. Find out the origins of our home planet and some of the key ingredients that help make this blue speck in space a unique global ecosystem.
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Read more in "Planet Earth, explained"
https://on.natgeo.com/2WAe19n

Earth 101 | National Geographic
https://youtu.be/HCDVN7DCzYE

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