Can you tell me about streams, creeks, and rivers?
How do river systems impact landscapes and people?
How do waterfalls form?
What is a river delta?
What's the difference between a young stream and a mature stream?
Can a river actually flow uphill?
Can you tell me about Angel Falls?
Can you tell me about the Loire River?
Can you tell me about the Nile River? Does it have as much total area as the United States?
What is the Grand Canal?
Why does the Nile River flow north when other rivers or streams mostly flow south?
How did the Grand Canyon form?
Why do people make canals?
How does sewage get into bayous and waterways?
Where is the biggest waterfall on Earth?
What’s an estuary?
What is the Mississippi River?
What is the Volga River?
Can you tell me about the Amazon River?
How was Niagara Falls made?
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