I think is is b but I could be wrong.
        
                    
             
        
        
        
Answer:
each year
Explanation:
It makes the most sense for it to be each year.
 
        
             
        
        
        
The definition states that human rights have to be protected by the law. In my opinion every human being should have human rights.
        
             
        
        
        
Answer: PRICE 
Explanation: 
We defined demand as the amount of some product a consumer is willing and able to purchase at each price. That suggests at least two factors in addition to price that affect demand.