Aerobic respiration is producing of cellular energy involving oxygen. 
Anaerobic respiration is respiration using electrons through molecular oxygen.
        
             
        
        
        
Answer:
You told us the answer to your own question
Explanation:
You put answer :B
 
        
             
        
        
        
Answer:
1) Liquid hydrogen has the lowest density of any liquid.
2) Hydrogen is the chemical element with the symbol H.
3) Hydrogen is the most abundant chemical substance in the universe, constituting roughly 75% of all baryonic mass.
4) Atomic mass: 1.00784 u
5) Atomic number: 1
        
             
        
        
        
The most appropriate answer would be Winter !! 
As in southermost past there is only two season winter and summer !! So as the earth is moving away from sun and thus the southern part will be far away and northern part will be facing sun !! So C !!
        
                    
             
        
        
        
It’s 
Primarily trouble is the answer I read it