Answer: Wetlands 
Explanation:
Dont know how to explain it 
 
        
                    
             
        
        
        
Answer:
They enable protein production.
Explanation:
 
        
             
        
        
        
C The rods will attract each other because they are both positively charged.
        
                    
             
        
        
        
Answer:
B. Some countries have many sources of beryllium, and some have no sources of beryllium.
Explanation:
Beryllium is a very important mineral that is present in many countries. All countries did not have beryllium deposits. Some countries have many sources and deposits of beryllium, and some have  no sources of beryllium. There are many deposits of beryllium in different parts of United states of America. Those countries which have no beryllium deposits have cell phones because they purchase cell phones from international market by paying money which can be earned through selling of its goods.