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

Fact 2: Food irradiation is one tool for improving food safety by killing pathogenic microorganisms.

Given the two facts above, answer the question "What does irradiating food do?" with the following options: 
- Relieve pain
 - enhance food's nutrients
 - improves food safety
 - allows growth of bacteria
 - increases food waste
 - chemical changes
 - get chemical reactions started
 - major threat to health


 

   improves food safety      