What Was One Outcome of the Water Pollution and Pollution

question 97

Multiple Choice

What was one outcome of the water pollution and pollution control laws that were enacted in Canada in the 1970s? 

• A) decreases in disease-causing agents and oxygen-demanding wastes 
• B) reduced or eliminated point-source pollution on rivers 
• C) more municipalities taking their water supplies from the downstream side of the city 
• D) decreases in the number and quality of wastewater treatment plants

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