Layers of the Earth
1.1 میلیون بار بازدید -
12 سال پیش
-
The Earth is approximately 4,000
The Earth is approximately 4,000 miles from the center to its surface, but what makes up those miles of earth? Let's take a journey inside.
License: Creative Commons BY-NC-SA
More information at http://k12videos.mit.edu/terms-condit...
License: Creative Commons BY-NC-SA
More information at http://k12videos.mit.edu/terms-condit...
12 سال پیش
در تاریخ 1391/06/31 منتشر شده
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