Water because hydro means water
        
                    
             
        
        
        
Tobias drank from a contaminated water fountain
        
             
        
        
        
Answer:
evaporation, transpiration, condensation, precipitation, and runoff.
Explanation:
because it ensures the availability of water for all living organisms and regulates weather patterns on Earth
 
        
                    
             
        
        
        
Answer:
Sensing danger and sweating