.
A flood
A glacier
A tsunami
A volcano
Large land area
Harsh climate
Natural resources.
Political system
Country, state, parish, city
Parish, state, city, country
State, country, city, parish
City, parish, state, country
Bridge a river.
Generate electricity
Prevent flooding
Make clean water
Red
Green
Yellow
Orange
The population patterns in Asia and Europe are alike
There are many overpopulated islands in the Pacific Ocean
The population of South America is evenly spread across the continent
The eastern half of the United States has more people than the western half
Cascade Range
Appalachian Mountains
Sierra Nevada Mountains
Rocky Mountains
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