How long is the half life of carbon 14? Earth Science Evidence about Earth's Past Fossils 1 Answer Stefan V. · Igor Jovanović Apr 23, 2016 Carbon 14 has a half-life of around 5700 years. Explanation: Answer link Related questions Why is the fossil record of the horse particularly important to the theory of evolution? How can fossils be used to learn about paleoenvironments? What are resin fossils and why are they important? What are transitional fossils and why are they important to the fossil record? What are trace fossils and what are some examples? What is permineralization and how is it important for the preservation of fossils? What is a trace fossil and what can be learned from them? Question #6b3d1 Why are fossils important? Why are fossils rare in precambrian rocks? See all questions in Fossils Impact of this question 9740 views around the world You can reuse this answer Creative Commons License