You are presented with the question "what can some viruses cause?" and the following answer choices: 
- extinction
 - Allergies
 - Dehydration
 - anemia
 - lymphoma
 - relocation
 - Pollution
 - Toxicity

Now knowing that some viruses can cause cancer and leukaemia and lymphoma are cancers of the blood, choose the best answer.


 

     lymphoma    