What do you and Earth’s surface have in common?
Why are rivers so windy? Why don’t they flow straight?
What has a mouth but never talks? What has a bed but never sleeps?
What do canyons and waterfalls have in common?
Why do some mountains have stripes?
Can you imagine how long it would take you to dig out a canyon?
Why do some places experience more erosion than others?
Have you ever seen a mushroom-shaped rock?
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