Chapter 4 what about carboin dating

The radiation emitted by some radioactive substances can be used to kill microorganisms on a variety of foodstuffs, extending the shelf life of these products.

Many people still cling to a different notion, despite the scientific evidence.This exposure kills a lot of the bacteria that cause spoilage, so the produce stays fresh longer.Eggs and some meat, such as beef, pork, and poultry, can also be irradiated.Contrary to the belief of some people, irradiation of food Radioactive isotopes have numerous medical applications—diagnosing and treating illness and diseases.One example of a diagnostic application is using radioactive iodine-131 to test for thyroid activity (Figure 15.4 “Medical Diagnostics”).

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