How are radioactive isotopes used to determine the age

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Questions:

How are radioactive isotopes used to determine the age of rock? Use the word half life in your answer. Explain how it works.

What Cenozoic fossils have been found in the region where you live? Name at least two and the location where they were found. Remember Cenozoic is the time period we are in right now. Be sure you cite your source.

Write a paragraph about the asteroid theory of dinosaur extinction. Be sure to include at least 2 pieces of evidence to support this idea--Make sure to use iridium as one piece of

Reference no: EM133428250

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How are radioactive isotopes used to determine the age : How are radioactive isotopes used to determine the age of rock? Use the word half life in your answer. Explain how it works. What Cenozoic fossils have been

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