Farm mechanization refers to the use of agricultural machines to take the place of manual labor on farms.
        
             
        
        
        
Answer:
All Three Populations Would Decrease
Explanation:
Dead zones have little to no life in them, and besides the fact that this would mean the popoulations of all of them would just be down because of this, mullet will die out due to nothing to feed on, which will make drums and trout also die out, so all of the populations would go down.
 
        
             
        
        
        
Answer:
There is a 50% chance their child will have blue eyes.
 
        
             
        
        
        
Radio waves need a medium to transfer.