-This figure shows the chloride concentration in Baltimore -area streams. What is the main source of the chloride shown in the figure?
A) swimming pools
B) factory discharge
C) inorganic fertilizers
D) sewage treatment plants
E) road salt

Question

-This figure shows the chloride concentration in Baltimore -area streams. What is the main source of the chloride shown in the figure?
A) swimming pools 
B) factory discharge 
C) inorganic fertilizers 
D) sewage treatment plants 
E) road salt

Quizplus · Accepted Answer

The main source of chloride in streams, particularly in areas with cold winters like Baltimore, is road salt. Road salt is used extensively for de-icing and maintaining road safety during winter months, leading to runoff that significantly increases chloride concentrations in nearby water bodies.

-This Figure Shows the Chloride Concentration in Baltimore -Area Streams