What Has Reduced Since the Massive Pollution Control Program for the Great

question 45

Multiple Choice

What has reduced since the massive pollution control program for the Great Lakes was instituted in 1972? 

• A) algal blooms 
• B) the amount of fishing (sport and commercial) 
• C) swimming 
• D) the dissolved oxygen level

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A systematic approach in psychology for understanding, diagnosing, and treating psychological disorders.

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Techniques used in statistics and research to measure the relationship or association between two variables, quantifying the strength and direction of the association.

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