The longest river in the world is the Nile River, with a length of 4,258 miles.
It is the Baltic Sea
The Baltic Sea is the Sea that borders <span>Russia, Poland, and Latvia, but also some other countries: Finland, Sweden, Denmark, Lithuania, and Estonia. It is joined with the North Sea around Denmark, which is further joined with the Atlantic Ocean.</span>
Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments. Strong city planning will be essential in managing these and other difficulties as the world's urban areas swell.
St. Lawrence River, the Great Plains, and the Rocky Mountains are major landforms that both Canada and the United States of America share. <span>
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