You are presented with the question "Irradiating food can be used to kill what in the food?" and the following answer choices: 
- Something that causes attraction
 - one celled organisms
 - Something that causes fermentation
 - Something that causes digestion
 - microscopic building blocks
 - single-celled organisms
 - Microscopic organisms
 - Something that causes evaporation

Now knowing that irradiating food can be used to kill existing microorganisms in the food and fermentation occurs through the action of microorganisms in the large intestine, choose the best answer.


 

   Something that causes fermentation      