Examlex
Which of the expressions below best describes the aim of economic theory?
Upper Mississippi
Refers to the portion of the Mississippi River that flows from its headwaters to the confluence with the Missouri River.
Hard Rocks
Earth materials, such as granite and basalt, that are solid, tough, and resistant to weathering and erosion.
Ice Sheets
Large masses of glacial ice and snow that cover vast areas of land, such as those found in Antarctica and Greenland.
Rivers Flow
The movement of water in a natural stream or river channel, often towards an ocean, sea, lake, or another river.
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