Answer: WN virus is maintained in nature in a mosquito-bird-mosquito transmission cycle. Mosquitoes of the genus Culex are generally considered the principal vectors of WNV, in particular Cx. Pipiens. WNV is maintained in mosquito populations through vertical transmission (adults to eggs).
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The answer is B. lobbying. Special interest groups and businesses can seek to influence the decisions of lawmakers through lobbying, in order to fulfill their interests.
 
        
                    
             
        
        
        
C is your answer :)
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