The statement that describes the difference between the 2 isotopes of nitrogen would be the last set. 
Nitrogen-14 has 7 electrons, 7 protons, and 7 neutrons
Nitrogen-15 has 7 electrons, 7 protons, and 8 neutrons.
        
                    
             
        
        
        
Fire destroys the area but  then New Life Springs back stronger From the Ashes people are interfering with the Prairie ecosystem by stopping the or preventing these hopeful fire
        
             
        
        
        
Hypothalamus; pituitary gland
Hypothalamix-pituitary-adrenal axis is a  complex set of direct influences and feedback interactions among the three organ components which are the hypothamus, pituitary gland and adrenal gland. These organ and their interactions forms the HPA axis  that controls the reaction to stress and regulates many body processes,including digestion, immune system mood and emotions