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Water Underground
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Many people get water from a source deep underground, called groundwater.
Exploring Earth: Land Cover
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This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.
Make a Lake
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Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?
Runaway Runoff
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When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.
The World's Water
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Water on Earth is in lakes, the ocean, rivers, underground, and frozen glaciers.