Scientists can use tree rings to determine climate conditions up to 8,000 years ago by matching tree ring patterns from trees of different ages.
(Scientists; can use ago; tree rings; to determine climate conditions) Context(Scientists can use ago,List([0, 83))):(Scientists; can use ago to determine; climate conditions)
Scientists can use ago,List([0, 83))
Scientists Scientists
can use ago can use ago to determine
tree rings to determine climate conditions
climate conditions