sarah73105 sarah73105

22-01-2018
Biology

contestada

this is 7th grade science plz help
Explain how scientists use geologic time to determine the age of landforms.

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gomezalyssa gomezalyssa

26-01-2018

The best estimate for Earth's age is based on radiometric dating of fragments from the Canyon Diablo iron meteorite. From the fragments, scientist calculated the relative abundances of elements that formed as radioactive uranium decayed over billions of years.

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