Physical Geography of Louisiana — Unit test Answers

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1
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The map highlights a region of Louisiana.

Question illustration
A
the Terraces
B
the Hills
C
the Mississippi Floodplain
D
the Red River Valley
4

Which statements accurately describe the physical characteristics of the Marsh region? Check all that apply.Over time, erosion has created salt domes that rise above the surface.Natural springs are found in the freshwater areas.Freshwater tributaries run together to create a fertile delta for raising livestock.Various grasses and mangrove trees thrive in the brackish water in this region. Sinkholes are a potential problem in the region.

A
Over time, erosion has created salt domes that rise above the surface.
B
Natural springs are found in the freshwater areas.
C
Freshwater tributaries run together to create a fertile delta for raising livestock.
D
Various grasses and mangrove trees thrive in the brackish water in this region.
E
Sinkholes are a potential problem in the region.
5

The map shows the major physical features and cities in Louisiana.Based on the map, which statement accurately describes the geography of Louisiana’s major cities?

Question illustration
A
The largest cities in the state are located northeast of the Mississippi River.
B
Most of the state’s major cities are located in the Red River Valley region.
C
The largest cities in the state are located along the Gulf of Mexico.
D
Most of the state’s major cities are located along waterways.
7

Which statements accurately describe the physical characteristics of the Red River Valley? Check all that apply.The region is a low-elevation area running through the central area of the state. Saltwater and freshwater marshes give the region its distinctive look.Fertile red soil suitable for farming is found throughout the area. The area consists mainly of a stream with many natural levees. Trees found in the area are known for their ability to withstand flooding.

A
The region is a low-elevation area running through the central area of the state.
B
Saltwater and freshwater marshes give the region its distinctive look.
C
Fertile red soil suitable for farming is found throughout the area.
D
The area consists mainly of a stream with many natural levees.
E
Trees found in the area are known for their ability to withstand flooding.
9

The map shows the geographic regions of Louisiana.

Question illustration
A
Terraces
B
Hills
C
Mississippi Floodplain
D
Red River Valley

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Physical Geography of Louisiana — Unit test…