I believe it’s to bring oxygen into the body and to remove carbon dioxide from the body
        
                    
             
        
        
        
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This made double-cropping possible in some areas, and in some places, even triple-cropping became possible ... the hardiness and productivity of various varieties of rice were and are in large part responsible for the density of population in South, Southeast, and East Asia.
 
        
                    
             
        
        
        
The correct answer for the question that is being presented above is this one: "Free will." <span>An important difference between humanistic and psychoanalytic approaches is that humanistic psychologists believe in the importance of free will.</span>
        
             
        
        
        
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Overmier and Seligman have described the phenomenon of learned <u>helplessness</u> as the tendency to feel powerless in the face of events that we can't control.
In 1967, Overmier and Seligman conducted a research, which showed that dogs, once found in an uncontrollable situation such as unavoidable electric shocks, were incapable of escaping a different situation, although there was a possible escape in that situation. The phenomenon of learned helplessness is also commonly experienced by humans who, after repeatedly going through a stressful situation, believe they do not have control over the events. They fail to take any action, even if there is a possible solution.
 
        
             
        
        
        
Activity theory is a framework or a descriptive tool for a system. Consider the entire activity/work beyond just one actor or user. Accounts for environment, history of a person, culture, role of the artifact, complexity of real life action etc...