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6-8 1 9-12 1 earth 1 elementary school 1 high school 1 k-12 1 k-3 1 more ...
1
By TED-Ed
Published in 2013
While the Earth's oceans are known as five separte entities, there is really only one ocean. So, how big is it? As of 2013, it takes up 71% of the Earth, houses 99% of the biosphere, and contains some of Earth's grandest geological features. Scott Gass reminds us of the influence humans have on the...
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