Why don't all Rivers become Canyons? // TRAIN BRAIN

Why don't all Rivers become Canyons?

It takes water and time to carve a canyon, there’s a secret third ingredient that allows a river to carve one that’s truly grand.

MinuteEarth

Science and stories about our awesome planet! Our staff: Lizah van der Aart, Sarah Berman, Cameron Duke, Arcadi Garcia, David Goldenberg, Melissa Hayes, Alex Reich, Henry Reich, Peter Reich, Ever Salazar, Leonardo Souza, Kate Yoshida and Jasper Palfree. ...

Why don't all Rivers become Canyons?

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