It was D. government of that place on plato 
 
        
                    
             
        
        
        
Answer: a. True
Explanation:
The main aim of the IRB is to safeguard the right of the human subjects used for the purpose of research conducted by the governmental authority. It also emphasizes over the protection of the researchers from illegal complaints. The risks to the human subjects can be minimized by using procedures which cause no harm to them and a detail consent of the research practice should be taken from these subjects by informing the purpose of research. 
 
        
             
        
        
        
Answer:
B. to understand the world around us
Explanation:
 
        
                    
             
        
        
        
Option C Habitat.... Polar bears are only found in the Arctic. The most important habitats for polar bears are the edges of pack ice where currents and wind interact, forming a continually melting and refreezing matrix of ice patches and leads (open spaces in the ocean between sea ice).