I would say Satellites. Satellites are the only thing here I see can measure things globally, the rest is more regional. 
        
                    
             
        
        
        
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Answer:</h2>
<u>Negative Feedback</u> occurs the the response serves to counteract the stimulus. 
 
        
        
        
Meiosis produces 4 haploid cells. Mitosis produces 2 diploid cells.