The Amazon Rainforest - How the Earth Got It's Lungs
The water flow was now restricted by a giant mountain range, and mountain ranges produce a lot of water run-off themselves. So all this water wanted to move somewhere. About ten million years ago, waters formed their own path, working through the sandstone to the west and the Amazon began to flow eastward towards the Atlantic ocean. As the water began to spread, so did life. Trees, insects, animals, plants, fertilized soil all followed the water down its path. Because of this, the Amazon rainforest was born.
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