The molecules in the sugar move from an area of higher concentration (sugar cube) to an area of lower concentration in the water.
That is exactly what diffusion is: the net movement of molecules or atoms driven by a gradient , which means that it doesn’t requires energy.
 
        
             
        
        
        
The best answer i see is A)- Cooling  
i hope this is right and it helps you 
 
        
                    
             
        
        
        
<span>When your cells go through cellular respiration what is produced from this process? I think its osmosis. </span><span />
        
             
        
        
        
Answer:
Radio waves, microwaves, infrared and visible light can all be used for communication.