__ | 1. | absolute dating | | A. | different layers in the earth mark different time periods |
__ | 2. | dendrochronology | | B. | the longer bones are buried the more of this they absorb |
__ | 3. | dendrochronology | | C. | studying microscopic organic compounds, like pollen, in soil |
__ | 4. | DNA analysis | | D. | tells us the type of living organism it was |
__ | 5. | Fluorine dating | | E. | determining if an object is older or younger than something |
__ | 6. | ice-core sampling | | F. | using C14, we can work out when something died |
__ | 7. | palynology | | G. | gives the age of the object as precisely as possible |
__ | 8. | Radiocarbon dating | | H. | another word for tree-ring dating, with one ring per year |
__ | 9. | relative dating | | I. | tells us about the atmosphere, from the trapped air inside |
__ | 10. | Stratigraphy | | J. | can be used for wooden artefacts as well as local trees |