<u>Answer:</u>      Erosion
<em>The process in which there is a wearing down on the surface on the earth which goes through the erosion is called gradation.</em>
<u>Explanation:</u>
There is a certain force which is the cause for the <em>formation of earth’s surface and that force is called as endogenic forces. </em>
There may come up a question about how the <em>surface of the earth</em> is not even, the reason is due to exogenic process failing to even out <em>the variation of the land.</em>
 
        
             
        
        
        
Answer:
both undergo vegetative propagation.
Explanation:
 
        
             
        
        
        
Answer:
killer T
Explanation:
helper T activates killer T cells which literally kill the virus or bacteria.  memory T are the subset of an infection.
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Answer:
what picture?
Explanation:
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