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

Fact 2: Bacteria is this type of microorganism.

Given the two facts above, answer the question "What can be killed in food by irradiating it?" with the following options: 
- heterotrophs
 - A virus
 - bacteria
 - smallpox
 - seeds
 - viruses
 - steam from rising
 - the core


 

   bacteria      