contestada

In which of the following is the danger of saltwater intrusion the greatest?
A)water supplies near industrial areas
B)underground water supplies in farming areas
C)underground water supplies near defective septic systems
D)coastal freshwater supplies

Respuesta :

Saltwater intrusion is generally greatest in "D)coastal freshwater supplies" since many fresh water bodies are connection to the oceans, which are salt water bodies. 
haleposition

This event refers to the moment when saline water, like from the Ocean, moves and contaminates fresh drinking water. The coastal freshwater supplies, option d, are the ones in the most danger because of their close geographic location to the ocean and the human actions like underground pumping or drainage networks.    

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