Please describe food irradiation, the type of radiation used, the types of food

Please describe food irradiation, the type of radiation used, the types of food approved to be subjected to food irritation by the FDA, and your personal opinion on the practice of food irritation.
Please describe the basics of how to use a Geiger counter to detect radiation.
Please describes the drawbacks of P-32 as a cancer treatment modality.
1.5 spacing, mla format