Your answer would be C because A affects the natural environment and can cause harm to it, B would affect the surrounding animal population and cause imbalances in biodiversity if they are not able to eat the foods they are used to, and D is not much of a benefit since you are losing the flavor that is naturally in the plants.
 
        
                    
             
        
        
        
The major food molecule in living organisms is a sugar called glucose. Most carbohydrates (sugars and starches) are converted into glucose before they are broken down in the cytosol to release energy. ... If oxygen is present, then glucose can be broken all the way down into carbon dioxide and water.
        
             
        
        
        
Answer:
I believe the answer is A
Explanation:
I think it is A because the original function of the spinal cord is to complex organization of nerve cells responsible for movement and sensation. It carries signals between the brain and the rest of the body.
 
        
                    
             
        
        
        
If a pair of Organisms are capable of producing fertile offspring in nature they must belong to the same species
        
                    
             
        
        
        
I am going to have to say algae and fungus.
Hope this helps, if not, comment below please!!!