Conduction is when heat is transferred through direct contact.when molecules get heat they move faster and vibrate then bumping in to other particles transferring the heat passing the energy around
        
             
        
        
        
Answer:
the vaccine causes the immune system to produce antibodies to the virus that causes the measles 
 
        
             
        
        
        
I think it might be the first one: hiv infections. (hope this helps!)
        
                    
             
        
        
        
Answer:
The answer is A.
Explanation: 
Found it on cancer.gov
Cancerous tumors are malignant, which means they can spread into, or invade, nearby tissues. In addition, as these tumors grow, some cancer cells can break off and travel to distant places in the body through the blood or the lymph system and form new tumors far from the original tumor
 
        
             
        
        
        
When a cell is not dividing, the DNA is loosely spread throughout the nucleus in a threadlike form called chromatin.