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## Radiometric Dating1. A scientist is using radiometric dating to date the age of a fossil. What is the half-life of the sample, according to the graph above?Screen Shot 2015-12-08 at 2.15.55 PM.png, , , 2. 2,850 years, 5,700 years elearning , 8,550 years, 11,400 years, 3. A scientist is using radiometric dating to date the age of a fish fossil. The half-life of carbon-14 is approximately 5,700 years. A fish fossil is found in a rock layer that has 25%25 of its original carbon-14 remaining. Which is the best approximation of the age of the fish fossil? Screen Shot 2015-12-08 at 2.15.55 PM.png, , , 4. 2,850 years, 5,700 years, 8,550 years, 11,400 years, 5. GeoHist40a.jpg, , , 6. A scientist is using radiometric dating to date the age of a fish fossil. The half-life of carbon-14 is approximately 5,700 years. A fish fossil is found in a rock layer that has 50%25 of its original carbon-14 remaining. 1.3 billion years, 2.6 billion years, 3.9 billion years, 5.2 billion years, |