Answer:
Protons: Found in Nucleus, +1
Neutrons: Found in Nucleus, Electrically Neutral
Electrons: Found in Orbitals, -1
Explanation:
 
        
             
        
        
        
It will be A HIGH PRESSURE SYSTEM
        
                    
             
        
        
        
Answer: It is the key to blocking infections
Explanation: I hope this is right :)
 
        
             
        
        
        
Answer:
hope this helps
Explanation:
About 95 percent of the time, Down syndrome is caused by trisomy 21 — the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.
 
        
             
        
        
        
approximately 115 days
Human red blood cells (RBC), after differentiating from erythroblasts in the bone marrow, are released into the blood and survive in the circulation for approximately 115 days.