B. Because virus need the hosts dna to multiply
        
             
        
        
        
 Answer:
<u><em>They take nutrients needed by healthy cells, and as they grow they interfere with the function of normal cells and organs.</em></u>
Explanation:
Many mutations can lead to the formation of cancer. Cancer can be described as an abnormal type of cell division of the cells of the body. As cancer cells are the cells of the body dividing abnormally, the immune cells fail to fight them. These cells keep on dividing and also disturb the functioning of the neighbouring cells and tissues. They even take up most of the nutrients required by normal body cells hence, being very toxic for the normal cells. 
 
        
             
        
        
        
Answer:
All options
Explanation:
Got it wrong said this was right
 
        
             
        
        
        
Answer:
Spiders have 2 body segments. The front is called a cephalothorax or prosoma and the abdomen, also known as opisthosoma.
Hope this helps :)