Answer:
C
Explanation:
Second law states that conversion of energy is not 100percent efficient, some are lost as heat energy 
 
        
             
        
        
        
Hi,
Any kind of energy can heat our water because to make any liquid object heat you need energy.
        
                    
             
        
        
        
The very right of the diagram.
        
                    
             
        
        
        
Answer:
The osteoblasts, which should have been building the new bone
Explanation:
Bones are the one of the types of connective tissues and have hard extracellular matrix. Osteoblasts are the cells that serve in formation of extracellular matrix of bones as these cells secrete collagen fibers and inorganic salts present in the matrix of bone. Hence, if a bone is not able to heal after fracture, osteoblast cells should be checked for their activity.