A peer is someone who is the same age as you, and they do not have to even know you. You might be friends, you might not. They might be a student that's in the same grade as you. 
basically, a peer is a student that is around your age. 
 
        
                    
             
        
        
        
Bicycling would not raise coordination skills, Swimming could, but not to the extent soccer would, and archey would improve hand-eye, not coordination
Answer: C) Soccer
        
                    
             
        
        
        
Answer:
Amygdala, nucleus accumbens, ventral tegmental area (VTA)
Explanation:
It's hard to answer this one without options since a lot of the parts of our brain is responsible for this, some may be minor but still plays a role. But those 3 are what I think would play the major roles.
 
        
             
        
        
        
Answer:
D
Explanation:
I would think this, because the health inspector may want to know what the place is being cleaned with.