Question

1. describe the importance of wetlands and estuaries.

salinity is the amount of salt dissolved in water. higher salinity means more salt present. circle the part of the chesapeake bay that has the lowest salinity.
explain how sediment (soil, sand, and silt) enters the rivers and streams in our watershed.
read each definition. then use the word bank to match each vocabulary word with its definition.
word bank: wetlands, buffer zones, estuary, non point source pollution, point source pollution, runoff
: natural areas with trees and shrubs that prevent erosion
: pollutant that cannot be traced to its source
: polluted rainwater that flows through watersheds
: a body of water where saltwater and freshwater mix
: pollutant that can easily be traced to its source
: an area covered with water most or all of the year
2 examples of point source pollution.

Explanation:

1. Importance of wetlands and estuaries: Wetlands and estuaries filter water, provide habitats for wildlife, protect against floods and erosion, and support biodiversity.
2. Low - salinity part of Chesapeake Bay: The areas where freshwater rivers enter the Chesapeake Bay generally have the lowest salinity as the freshwater dilutes the salt - water. Without the actual image, it's not possible to circle the area, but it would be near river mouths.
3. Sediment entry into rivers and streams: Sediment enters rivers and streams through processes like erosion (wind, water, or human - induced), runoff from land areas where soil is disturbed, and natural weathering of rocks.
4. Word - bank matching:

• Natural areas with trees and shrubs that prevent erosion: Buffer Zones
• Pollutant that cannot be traced to its source: Non - Point Source Pollution
• Polluted rainwater that flows through watersheds: Runoff
• A body of water where saltwater and freshwater mix: Estuary
• Pollutant that can easily be traced to its source: Point Source Pollution
• An area covered with water most or all of the year: Wetlands

1. Point source pollution examples: Industrial discharge pipes, sewage treatment plant outfalls.

Answer:

1. Wetlands and estuaries filter water, provide habitats, protect against floods/erosion, and support biodiversity.
2. (No circle possible without image, but near river mouths).
3. Through erosion, runoff from disturbed land, and rock weathering.
4. Buffer Zones; Non - Point Source Pollution; Runoff; Estuary; Point Source Pollution; Wetlands.
5. Industrial discharge pipes, sewage treatment plant outfalls.