D - spine alignment and foot size. 
Late australopiths had an S-shaped spine that allowed for balance when standing. Shorter and less flexible toes made pushing off the ground much easier.
        
                    
             
        
        
        
Answer:
igneous rock 
Explanation:
Look at the chart metamorphic rock melts turning into magma magma solidifies into IGNEOUS ROCK 
 
        
             
        
        
        
D all of the above but still not sure