It affect The survival and extinction of species
        
             
        
        
        
Answer:
1977 is when people first knew about archaebacteria
 
        
                    
             
        
        
        
Lightning I think. I don't understand the question
        
                    
             
        
        
        
Psychology is a science because it follows the empirical method. ... We can directly observe and carefully measure externals such as what a person does, says, and marks down on a psychological test. We cannot directly observe a person's mind (e.g., internal thoughts, emotions).
 
        
             
        
        
        
Mor i think but i could be wrong i suggest looking for more answer before you use mine. 
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