Answer:
B) Digestive
Explanation:
The system is dependent in the digestive system because it sends the nutrients to the bones and this helps the bone growth and the repair. It can not be A. since the skeleton system is connected with the muscular system physically, this is to protect muscles and allow the skeletal muscles to make the bones move, so this system is connected with itself with the help of the muscular system! The endocrine is somewhat connected with the nervous system, they are both essential to the communication and response system. This eliminates A and C and leaves you with B!
 
        
             
        
        
        
I think it's covalent...? Hope that helps.
 
        
             
        
        
        
Answer:
Option B. Malleable, Conductor, High melting point, Lustrous
Explanation:
Mg has a higher melting point because of the strong electrostatic force of attraction between the magnesium ions (Mg^2+). The rest properties listed are all general properties of metals 
 
        
             
        
        
        
<span>plasmas that reach a temperature equal to their surroundings
----------------------=0uyjgyhjngytfgbhtfgbdc b gdf gb </span>
        
                    
             
        
        
        
Answer:
1. Fe(NO3)3 is C. Chemical formula
2. Manganese Sulphate is C. Name
3. Zn is C. Symbol
Hope this helps!