Feral hogs is the right answer
        
             
        
        
        
The answer is D hope this helps
        
                    
             
        
        
        
The answer is T, True. Secondary pollutants are pollutants that we do not directly release, but that are created as a side effect of releasing primary pollutants, such as carbon dioxide, sulfur oxides, and particles such as ash and dust. Secondary pollutants include acid rain, ozone, smog, and CFC's (chlorofluorocarbons).
        
                    
             
        
        
        
The answer is the first one 
Moves astronauts around