Your spinal cord works like a Telephone wire, sending messages back and forth between your body and your brain.
        
                    
             
        
        
        
What is Mutation
The major source of the genetic diversity among microorganisms upon which natural selection operates is Mutation.
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Fuel is use to produce a force to accelerate in a new direction.In the void of space the object will continue its velocity until somthing acts upon it.(newtons first law of motion)