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अनुच्छेदमा छुटेका अक्षरहरू भर्नुहोस्। प्रत्येक अन्डरस्कोर (_) ले एउटा छुटेको अक्षर जनाउँछ। प्रत्येक वस्तुका लागि पूरा शब्द लेख्नुहोस्।
विषय: Dating ancient buildings with tree rings0 / 10 खाली ठाउँहरू भरियो
Tree rings can help archaeologists work out when ancient wooden buildings were constructed. Because (1)tr___ add (2)o__ ring (3)ea__ year, (4)a__ because (5)ri__ width (6)dep____ on (7)cli____, trees (8)fr__ the (9)sa__ region (10)sh___ a recognizable pattern of thick and thin rings. By matching the rings in an old roof beam to a long master sequence, researchers can often identify the exact year in which the tree was cut down. This method has been used to date sites ranging from medieval churches to prehistoric villages.
पूरा गर्नुपर्ने शब्दहरू:
#1
tr___
#2
o__
#3
ea__
#4
a__
#5
ri__
#6
dep____
#7
cli____
#8
fr__
#9
sa__
#10
sh___