World Book presents Rivers, part of the Make it Work: Geography series! Where do rivers come from and why do people settle near them? How do rivers form valleys and underground caves? Rivers are an important and powerful force in shaping the land. On average, about 5,600 cubic miles of water flow down the world's rivers each year; rivers carry away about 22 billion tons of rocks, soil and sand from the land into the sea or into lakes. By this book, we will look at rivers and some of the features that you might find along them, such as waterfalls, caves and meanders. You can follow those geography activities to explore more about rivers and find out how they affect Earth's landscape from their source to the sea.
World Book presents Rivers, part of the Make it Work: Geography series! Where do rivers come from and why do people settle near them? How do rivers form valleys and underground caves? Rivers are an important and powerful force in shaping the land. On average, about 5,600 cubic miles of water flow down the world's rivers each year; rivers carry away about 22 billion tons of rocks, soil and sand from the land into the sea or into lakes. By this book, we will look at rivers and some of the features that you might find along them, such as waterfalls, caves and meanders. You can follow those geography activities to explore more about rivers and find out how they affect Earth's landscape from their source to the sea.