Fact 1: Irradiating food can be used to kill existing microorganisms in the food.

Fact 2: Food irradiation is blazingly high-tech.

Given the two facts above, answer the question "a blazingly high-tech method can be used to kill existing microorganisms in what?" with the following options: 
- blood
 - trout
 - caverns
 - stars
 - food
 - algae
 - radioactive material
 - humans


 

     food    