The question is asking to choose among the following choices that states the properties of water would be most important in protecting a fish in a shallow pond on a hot summer day, and the answer would be letter C. the specific heat of water
        
                    
             
        
        
        
C) Folded mountain with waves, twists, and turns
        
                    
             
        
        
        
Answer:
External respiration is the exchange of gases with the external environment, and occurs in the alveoli of the lungs.