The inner core is solid because it is made of very dense, or heavy, materials like iron and nickel. Even though it is very hot, these materials don't
        
             
        
        
        
Answer:
Did you ever get the answer?
Explanation:
 
        
             
        
        
        
There's no air in space, so there's no air resistance there.
        
                    
             
        
        
        
Answer:
The sun
Explanation:
In this system the energy of the sun heats the water in the pipe, producing a high pressured steam, which is used for moving a turbine and producing electricity, is a transformation of energy from solar to thermal, then to mechanical to electrical.
 
        
             
        
        
        
Answer:
B. Savannas have shrubs and isolated trees, while grasslands contain grasses.