C planting trees. It adds oxygen
        
                    
             
        
        
        
Answer:
UAACUG
Explanation:
rna contains Uracil instead of Thymine. 
 
        
             
        
        
        
Answer:
Explosion
Explanation:
Deliberate seed dispersal also occurs as seed bombing.
wikipedia 
 
        
             
        
        
        
<span>Only about 75% of water is fresh and suitable for human use.
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