Answer:
Fe (iron) and Ni (Nickel)
Explanation:
The solid inner core is made of mainly iron crystals with small amounts of nickel and heavier elements such as gold and platinum. The liquid outer core is a nickel iron alloy with small amounts of heavier elements.
 
        
                    
             
        
        
        
Answer: Incentive Systems
Explanation: Incentive systems are plans in which employees can earn additional compensation in return for certain types of performance. Examples include profit-sharing plans, stock option plans, and bonus systems. Getting an annual raise based on your job performance is a merit pay plan.
 
        
             
        
        
        
His business to shopping large herds of cattle to slaughter and quickly recognized flaws in the system