One of the differences is
dna is double stranded
rna is single stranded
        
                    
             
        
        
        
Answer:
Explanation:
It's a normal part of nature, and one of many ecological factors that help keep the hundreds of thousands of living plants. It also keeps animals in balance with one another. 
 
        
             
        
        
        
Answer:
C
Explanation:
because i took the test and got it right
 
        
             
        
        
        
You have to think of contaminated water if it were to evaporate it can effect the water cycle of an environment