In this case, Andrew was using systematic desensitization, this is a psychological technique of cognitive-behavioral therapy. <span>It consists of exposing oneself to something</span> that causes fear in a systematic way as a means to overcome fear. Andrew faced his fear gradually and so he could overcome it. This technique helps in many different types of phobias.
I hope my answer can help you.
        
             
        
        
        
Answer:
:) the answer is also in the explanation
Explanation:
Irrigation, the process of digging canals to extend a river's flow to a new area, affected Sumer by opening up new areas for crop farming.
 
        
                    
             
        
        
        
Answer:
Solubility is the maximum amount of a substance that will dissolve in a given amount of solvent at a specific temperature. There are two direct factors that affect solubility: temperature and pressure. Temperature affects the solubility of both solids and gases, but pressure only affects the solubility of gases.
Explanation:
 
        
                    
             
        
        
        
Answer:
B
Explanation:
The amount of time varies with the circumstances. Usually an officer must possess an warrant and announce who they are before entering a home either for arrest or search. However, an exception can occur where the officer can enter forcibly without warrant in order to prevent someone being killed or tampering with an evidence. The amount of resonable time to wait depends the type of exigent circumstances in question 
 
        
             
        
        
        
Answer:
He was the commander of the Continental Army.