Answer:
Explanation:
During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.
 
        
             
        
        
        
Sugar is sucrose and a carbohydrate. It's made up of 3 elements. 12 atoms of carbon, 22 atoms of hydrogen, and 11 atoms of oxygen. (C^12H^22O^11)
        
                    
             
        
        
        
It is a catecholamine. It is also known as adrenaline. It will increase the heart rate and other flight or fight responses.
        
             
        
        
        
Answer:
The crust is thinner and less dense than the mantle.
 
        
                    
             
        
        
        
The similarity in the arrangement and structure exists mostly with the quads because we, just like cats, need to be able to flex and extend them so we need a lot of strength in them.