Answer:
chemical reaction is both photosynthetic and cellular respiration
 
        
             
        
        
        
Lions are usually bigger. 
 
        
             
        
        
        
According to Charles Darwin's Theory of Origin of Species, an organism either develops or losses an attribute according to its adaptation to survive in a competitive environment. This is same with humans or salamanders. The loss or the retention of limbs may indicate the survival purposes of the species.
        
                    
             
        
        
        
Answer:
Explanation:
I think it’s D humans have added carbon dioxide to the atmosphere by burning fossil fuels 
 
        
             
        
        
        
Answer:Neon
Explanation:
Less amount of energy levels