Answer: the earh was formed by  GOD
Explanation:
 
        
             
        
        
        
Flu vaccination can help you from getting sick with flu. Vaccine reduces the risk of infection by working with body’s natural defenses to help them safely develop immunity to diseases. If you get sick, flu vaccine will make your illness milder.
        
             
        
        
        
C.Natural Selection would be the answer
        
                    
             
        
        
        
I'm not completely sure about this answer because our unit on that was very short. So please don't be upset if its incorrect.
The answer is phytoplankton and water depth, because in order for any ecosystem to survive they need the producer population (Plants)
Middle School
Basic Rank