You are presented with the question "a blazingly high-tech method can be used to kill existing microorganisms in what?" and the following answer choices: 
- blood
 - trout
 - caverns
 - stars
 - food
 - algae
 - radioactive material
 - humans

Now knowing that irradiating food can be used to kill existing microorganisms in the food and food irradiation is blazingly high-tech, choose the best answer.


 

     food    