Answer:
That would be organism, species, and then community.
Explanation:
 
        
             
        
        
        
1 reason is to kill disease in water
        
             
        
        
        
The dialysis tubing and cell membrane are similar in the fact they protect the cell. The tubing as well as cellmembranes are selectively permeable, they control the movement of substances in and out of the cell. Starch molecules are larger than glucose molecules.
        
                    
             
        
        
        
Answer:
6. The number of protons of the atoms 
7.The atomic number is equal to the number of protons and in a neutral atom the number of electrons 
8. The atomic mass of elements equals number of protons plus number of neutrons
9. Protons and neutrons
10. Electrons
11. 8+9=17
12. 20+21=41
13. 10
Explanation: