Answer:
ICMP Echo Request
Explanation:
ICMP Echo Request is a form of probe or message sent by a user to a destination system.
 
        
             
        
        
        
Answer:Minerals form when rocks are heated enough that atoms of different elements can move around and join into different molecules. Minerals are deposited from salty water solutions on Earth's surface and underground
Explanation: 
 
        
                    
             
        
        
        
For Nitrogen Atom: 
 Atomic Number - 7
 Protons - 7
 Neutrons - 8
 Electrons - 7
 Cation/Anion - Anion
For Nitrogen Ion: 
 Atomic Number - 7
 Protons - 7
 Neutrons - 8
 Electrons - 10
 Atomic Symbol - N3-
        
             
        
        
        
What are some of the body's internal defenses. The skin helps protect stuff to!