Answer:
The Clean Water Act (CWA) can be considered as one of the effective program which impacted the water quality in the United States. Under this Act, quality standards for surface water were generated.
This Act has set wastewater standards for the industries and it ensures that industries do not pollute the clean water. The Clean Water Act (ACT) made it unlawful to discharge any pollutant in waters and set a fixed amount for it. Beyond that amount, polluting water is considered to be illegal. 
 
        
             
        
        
        
Answer:
The baby is a male. XY = male, XX = female. 
Explanation:
Hope this helps.
 
        
             
        
        
        
Elbows and knees would be the answer
        
                    
             
        
        
        
Answer:
C
Explanation:
Usually if 1 out of 4 children in a family have a different hair color, it is because of the recessive gene passed down from the mother or fathers genes.