Answer:
D. Enzymes require a specific range of pH values to function.
Explanation:
Enzymes function the best in a neutral pH, rather than in very acidic or basic environments.
Enzymes are very affected by changes in pH levels because they perform much better in neutral environments.
 
        
                    
             
        
        
        
Answer:
The Physical environment refers to the inanimate things like air, water, soil, rock, etc. the biological environment is all living things big and small, plant or animal, and microbes, etc.
Explanation:
 The Physical environment refers to the inanimate things like air, water, soil, rock, etc. the biological environment is all living things big and small, plant or animal, and microbes, etc.
 
        
             
        
        
        
The light energy is absorbed by chlorophyll 
        
             
        
        
        
Its C because your lifestyle is a choice
        
                    
             
        
        
        
He could be, its a possibility. So yes, he could be the father