I think the answer is due to ph. levels in the soil
        
                    
             
        
        
        
Answer:
Phytoplankton production is necessary to begin a food web in an ocean ecosystem.
Explanation: Hope it helps you :)))))))
Have a good day
 
        
                    
             
        
        
        
<span>It is common for some toddlers to be very shy and not be sociable. This is due to the fact that they may not have any other siblings at home and do not get out much. The fact that other children play just fine is not alarming as everyone is different than others.</span>
        
             
        
        
        
Answer:
these are all correct
Explanation:
i just took the quick check