INSTITUTE FOR THE STUDY OF PLANET EARTH Tree-ring scientists (dendrochronologists) take samples from old, living trees in a geographic area and study the sample for patterns of tree-ring growth.
(INSTITUTE FOR THE STUDY OF PLANET EARTH Tree-ring scientists; take; samples; from old, living trees; L:in a geographic area) (INSTITUTE FOR THE STUDY OF PLANET EARTH Tree-ring scientists; study; the sample)
INSTITUTE FOR THE STUDY OF PLANET EARTH Tree-ring scientists INSTITUTE FOR THE STUDY OF PLANET EARTH Tree-ring scientists
take study
samples from old, living trees L:in a geographic area
the sample