Irradiating food can be used to kill existing microorganisms in the food.
Irradiation causes chemical changes.
Chemical changes can be used to kill existing microorganisms in the food.
what can be used to kill existing microorganisms in food?
Options:
  chemical changes
  Dehydration
  deoxyribonucleic acid
  bacteria
  an electron microscope
  hydration
  electromagnetic energy
  single-celled organisms