Answer:
Researchers generally recognize several different sources of bias, each of which can strongly affect the results of STEM research. ... Researchers can influence outcomes through their study design choices, including who they choose to include in a study and how data are interpreted.
(Science: statistics) in a clinical trial, bias refers to effects that a conclusion that may be incorrect as, for example, when a researcher or patient knows what treatment is being given. to avoid bias, a blinded study may be done.
 
        
                    
             
        
        
        
They are changed because of the environments changing
        
             
        
        
        
5 atoms 2 iron and 3 oxygen I hope this helps
        
                    
             
        
        
        
in theory yes but at the same time you would have to reverse enginere it and have it reject the fruit flys dna strands