Describe the different ways that radioactivity is used to mea sure the ages of different objects. Give as much detail as you can.

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Describe the different ways that radioactivity is used to mea sure the ages of different objects. Give as much detail as you can.

Suppose that it is announced that a laboratory in your city acciden-tally released some radioactive gases into the environment and that this would cause an exposure to people who worked nearby of about 1 millirem ( 0.001 rem) over the next year for each person who works there. Assume that 1000 people work there. The mayor asks you to speak to the public to alert them to the risks they face. What would you say? Give numbers when appropriate. Describe the different ways that radioactivity is used to mea sure the ages of different objects. Give as much detail as you can. Include such things as what is meant by the age of an object.

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