Answer:
d
Explanation:
the situation which would be least likely for a scientist to revise our experimental method would be if results are the same after defeating the procedure. 
 
        
             
        
        
        
B. Gene. Piebalding is caused by mutant copies of genes.
        
                    
             
        
        
        
Answer:
there could have been low production
 
        
             
        
        
        
Though they are constantly changing, ecosystem are naturally BALANCED.
An ecosystem is said to be balanced, when the components of the ecosystem are in harmony. Two of the principal processes that usually throw ecosystems out of balance is pollution and hunting.