Answer:
Ag has atomic number 47 = 47 protons and 47 electrons. mass number is 108, neutrons = 108 - 47 protons = 61 neutrons.
Explanation:
 
        
             
        
        
        
Answer:
First oil well in the United States, built in 1859 by Edwin L. Drake, Titusville, Pennsylvania. 
 
        
             
        
        
        
Answer:
The Mitochondria
Explanation:
Mitochondria are membrane-bound cell organelles that generate most of the energy required to power the cell's organic chemistry reactions. Energy created by the mitochondria is kept in a tiny molecule known as  adenosine triphosphate (ATP).
 
        
             
        
        
        
Answer:
i'm pretty sure it's beryllium
Explanation:
 
        
                    
             
        
        
        
Answer:
False
Explanation:
It will actually speed it up