Answer:
the fourth one. biomagnofication is when an organism ingests other plants or animals that have toxins in them. the toxins are widely distributed 
 
        
             
        
        
        
Answer:
uuiuuuuuijhj until j um internationalization
 
        
             
        
        
        
Im not sure but if there was a graph maybe 
        
             
        
        
        
<span>reaction of CO2 and H2O</span>
        
             
        
        
        
Answer:
the 4 different types of bases - adenine, thymine, cytosine, and guanine
adenine always pairs with thymine, and cytosine always pairs with guanine.
(dont know how they pair)
Explanation: