This is the integumentary system which is also your skin system
        
             
        
        
        
An element have the same number of protons as  electrons.
Therefore: if an element x (Lawrencium) has 103 protons, it has 103 electrons. 
        
             
        
        
        
I think the answer is Global Development Engineering. 
People in this career help sustainable development happen through the use of their inventions that are mainly energy efficienct.
They are focused on research, design, and the creation of alternative ways to promote good health and sanitation, housing, and renewable energy that will cater developing or underdeveloped countries.  
GLE is one engineering team that made a solar project in Africa.
        
             
        
        
        
Answer: The satellite must orbit at a speed of about 7,000 mph 
Explanation: the higher the orbit, the longer the satellite can stay in orbit. 
 
        
             
        
        
        
I believe the answer is C, Sedimentary rock.
Hope this helps.