Answer:
It is well supported by evidence.
 
        
                    
             
        
        
        
Answer:
A. The complementary shapes of an enzyme and a substrate
Explanation:
The Lock-and-Key model was made to show how an enzyme's active zone fits a substrate and how they bond together. It correlates just like a lock and a key; you have to have the correct-shaped key in order to open a lock. Same process of thought with the enzymes; you must have the same shape for both in order to bind together,
 
        
             
        
        
        
Answer:Primary reinforcers  
explanation reinforcers that have innate reinforcing qualities.
 
        
             
        
        
        
Answer:
It between the ages of 25 and 40 years.
Explanation:
 
        
             
        
        
        
The answer is c. Vibrates on one spot