A chloroplast are used for the process of photosynthesis which makes food 
 
        
             
        
        
        
Gravitational.....................
        
                    
             
        
        
        
Answer:
Because it is a fluid system, the atmosphere is capable of supporting a wide spectrum of motions. These range from turbulent eddies of a few meters to circulations with dimensions of the Earth itself. By rearranging mass, air motion influences otheratmospheric components such as water vapor, ozone, and cloud, which figure prominently in radiative and chemical processes. Such influence makes the atmospheric circulation a key ingredient of the global energy budget.
Explanation:
right off of go ogle 
 
        
             
        
        
        
Physical Change, although the answer is widely disputed. 
        
                    
             
        
        
        
Process, transmit, and receive nerve impulses (electrical signals) from periphery to central nervous system.