Rubbing two sticks together will cause friction
        
                    
             
        
        
        
Answer:
Random-Access Memory
Explanation:
used as a short-term memory for computers to place its data for easy access
 
        
             
        
        
        
Answer:
He relocated from Mecca to the city of Medina.
Explanation:
 
        
                    
             
        
        
        
Answer:
The first step in planning effective writing is to consider your creativity
Explanation:
 
        
             
        
        
        
Basic validation
Data validation