What Are Rocks and How Do They Form? Crash Course Geography #18

From towering mountains to pebbles along a river, the Earth is made of a huge variety of rocks. In today's episode, we're going to follow the rock cycle of a piece of granite in the Himalayan mountains, and as you'll see, every rock has a far-reaching story to tell often millions of years in the making.

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Видео What Are Rocks and How Do They Form? Crash Course Geography #18 канала CrashCourse