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carbon 14: dating organic materials- carbon 12: dating geological objects- phosphorus 31: tracer in fertilizer- iodine 131: threat thyroid problems- cobalt 60: destroy cancerous tumors- cesium 137: kill deadly disease - technetium 99: detect tumors*long exposure is bad*can remain dangerous for generations"

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1. carbon 14: dating organic materials
- carbon 12: dating geological objects
- phosphorus 31: tracer in fertilizer
- iodine 131: threat thyroid problems
- cobalt 60: destroy cancerous tumors
- cesium 137: kill deadly disease
- technetium 99: detect tumors
*long exposure is bad
*can remain dangerous for generations"





 
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