Answer:
Challenger Deep at 36,070 ft. ~ 11000 meters
Explanation:
 
        
             
        
        
        
Greater, earths core is very hot and pressured.
The more you go down, the greater pressure and heat there is.
 
        
             
        
        
        
The plight of refugees is that they suffer deep emotional stresses from displacement. Fleeing their lives in search of a safer place for them to have a future brings with it poverty, fear and health issues. Upon arrival in a new country, I think that they should be treated with equality, dignity and be given the resources and tools from our society to enable them to build a new life for themselves. After their suffering and journey to seek a better place and better life, societies should embrace these people, their skills and abilities and allow them to be a part of other cultures.
        
             
        
        
        
Answer
Picture if there was a pole that went through The middle of the earth verticaly. The tilt it slightly to its side. That is how the earth would rotate, on the pole. 
I am sorry if this does not make any sense. I hope I explained it well enough.
 
        
                    
             
        
        
        
The answer is B. I believe that this is the answer because the barnacle is benefiting from the gray whale without harming, or affecting it in the process.