I believe the answer is head-on and port (left). The side lights are usually visible to vessels approaching from the front or the side. The red light usually indicates a vessel's port (left) side while the green light indicates a vessel's starboard (right) side. These lights ensure that there is safety at night as the vessels navigate. 
        
                    
             
        
        
        
Answer:
skeletal muscle fibres.
Explanation:
skeletal muscle fibres occur in muscles which are attached to the skeleton. They are straited in appearance and under voluntary control.
Hope it helps. 
 
        
                    
             
        
        
        
the answer is b, faster through steel than through air. 
 
        
                    
             
        
        
        
- - Because you take in  both genes from your parents. It is most likely to have more of your dads genes rather than mom though.