The Truck will take more force to stop the truck  moving at a speed of 55mph weighing 4000kg has alot more momentum and will require a force equal to its speed and mass to stop it therefore the truck is the most obvious answer hope this helped bud
        
                    
             
        
        
        
In the light reactions, H2O goes in, and O2 goes out. 
        
                    
             
        
        
        
Answer:
option c. produce their own light.
 
        
             
        
        
        
Answer:
Haversian canals are bone structures that contain blood vessels that provide materials for the osteocytes
Explanation:
Through this Harvesian canals, blood vessels that contain the necessary nutrients for their growth and development are brought which keeps them alive