Correct option c) The high salinity of surface runoff is harmful to freshwater ecosystem.
The road salt attracts deer that are then hit by motor vehicles. De-icing with salt negatively impact the environment , it can contaminate drinking water , increase soil erosion, kill or endangered wildlife, damage the private and public property.
Salt can also change the way the water mixes and lead to the formation of salty pockets near the bottom of lakes, creating biological dead zones. In american the users alliance found that sat reduces col-lions up to 85%.
Salinity affects the productions in crops and tress or plants by interfering with nitrogen uptake , reducing growth and stopping plant reproduction. Ions are toxic to environment and as the concentration of theses ions increase the plants and trees are poisoned and dies.
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