That's true. There is little variety among organisms found in pools, pounds and lakes. Despite that fact that many ponds are seasonal, lasting just a couple of month (for exemple sessile pools) while lakes can exist for more than hundred years. Lakes and ponds have limited species diversity because they are often limited from each other and from other water sources like rivers, seas and oceans. 
        
                    
             
        
        
        
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Answer: i dont understand it....
Explanation:
 
        
                    
             
        
        
        
I don’t know what you are even saying
        
             
        
        
        
Answer:
The interpretation including its set of circumstances is characterized throughout the explanation segment below.
Explanation:
- Lakes that always collect a significant amount of acid rain can also have water with either a pH value very low than 4. (the latter indicates that low pH levels are much more acidic versus significantly higher.) 
- The world's oceans are covered from ocean acidification by limestone formations, which serves as a barrier to neutralize acid rain.