Absolute dating definition environmental science
{"Image DocumentName": "9.2 Trees and absolute dating", "Image ImageDescription": "Trees are like history books. Each tree ring is a record of what the environment was like that year. Wide tree rings indicated a very wet year and narrow rings indicated a dry year. Douglass named this new field of science dendrochronology.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}