What is a wetland?

• An area with hydric and anaerobic soil supporting a plant community

• A desert with minimal water

• A forest with dense trees

• A mountain with rocky terrain

What is point source pollution?

• Pollution coming from a clearly identified source

• Pollution that is widespread and untraceable

• Pollution that occurs naturally

• Pollution that is beneficial to the environment

What are hydrogeomorphic functions related to?

• Water-retention of soil

• Air quality improvement

• Temperature regulation

• Soil erosion

What is peat?

• Spongy substance formed by partially decomposed vegetation

• Hard rock formed by volcanic activity

• Sandy soil found in deserts

• Clay used in pottery

What are bogs filled with?

• Peat and acidic water

• Sand and gravel

• Freshwater and fish

• Clay and silt

What are levees used for?

• Structures used to stop water from naturally changing course

• Tools for measuring rainfall

• Devices for increasing water temperature

• Machines for filtering water

What is the definition of "anaerobic"?

• Free of oxygen

• Full of oxygen

• High in carbon dioxide

• Low in nitrogen

What is a marsh?

• Wetland with frequent flooding or constant surface water

• Dry land with no vegetation

• Rocky terrain with no water

• Sandy desert with minimal rainfall

What type of water is described as "brackish"?

• Lightly salty water

• Freshwater

• Distilled water

• Highly polluted water

What does "hydric" mean?

• Permanently or seasonally saturated with water

• Completely dry and arid

• Covered with ice

• Filled with sand