Nitrogen get into the air by lightning strike or fires by certain types of bacteria.
        
             
        
        
        
Answer:
C) cytoplasmic determinants 
Explanation:
Cytoplasmic determinants are special molecules which play a very important role during oocyte maturation, in the female's ovary. 
 
        
                    
             
        
        
        
Oh wait, I know which one you are talking about. The answer would be D. The G2 Phase. Hope this helped! :)
        
                    
             
        
        
        
Answer : Hydrogen.......: