EXTENDED VERSION Soil: The very skin of our planet
Manage episode 304448673 series 2924626
Bonus content is provided in this extended version of Soil: The very skin of our planet. Earth is the only planet known to support life. Why is that so? Alone of all the planets in the solar system, the Earth is coated in a layer of soil, the very skin of Mother Earth. Soil is a symbiotic collaboration between biology and geology.
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