Ecosystems experience change through human activity and natural events. This is because human activity can impact changes in nature, like climate for example. As a result, ecosystems change in response to the change in nature or natural events, which was caused by human activities. They are interrelated so to speak.  
        
                    
             
        
        
        
Hydrocarbons is the simplest organic compound mad by hydrogen and carbon
        
                    
             
        
        
        
Answer:
D
Explanation:
As population grows all the above factors increase expect the biodiversity of animal and plant species.
 
        
             
        
        
        
Answer:
can not answer without the rest of the question
Explanation:
 
        
             
        
        
        
Sorry i needed the points... good luck tho