The chromosomes become more compact and tightly coiled. They are ready to separate. :) 
Hope this helps! 
        
                    
             
        
        
        
Answer:
o determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition. ... With absolute age dating, you get a real age in actual years
= )
 
        
                    
             
        
        
        
Answer:
C
Explanation:
all of them have negative effects on the enviroment as a whole but C gives no reason why it would be a consequence