Answer:
photic zone.
Explanation:
it is a high layer of the water region. There is no land at the top of the water, if we plant the tree there, the shrub will drift into the water. There is Sufficient daylight but there is no ground.
 
        
             
        
        
        
Answer: to fight against foreign antigens 
Explanation: lymphocytes is a type of white blood cell that helps fight against invaders or foreign body in our body system. They are found mostly on the lymph and blood
There are basically two types of lymphocytes;
T lymphocytes- It develops from the thymus and Its functions by identifying intruders and then respond by eliminating them. 
B cell or lymphocytes develop from the bone marrow hence the name B cell. It functions by creating some antibodies that destroy the effect of invaders that causes adverse effect. 
 
        
                    
             
        
        
        
Im not too sure what the answers you have are but cotton swab and put it in a bag if you write your own
        
             
        
        
        
Answer:
the answer is D which is CJD