You are presented with the question "What can irradiation do?" and the following answer choices: 
- Plant growth is reduced
 - make food glow
 - make food unsafe
 - harm consumers
 - depress neuronal excitability
 - extend the shelf life of food
 - major threat to health
 - prevent heat loss

Now knowing that killing microorganisms in food can be used to extend the shelf life of that food and irradiation kills microorganisms that spoil food, choose the best answer.


 

      extend the shelf life of food   