Such was the exhilaration when 58 Columbian mammoth remains were found in a sinkhole, about the size of a regulation*^*size basketball court, in 19 75.
Question 1:
Such was the exhilaration when 58 Columbian mammoth remains were found in a sinkhole, about the size of a regulation*^*size basketball court, in 19 75. Scientists ....... that just as many or more were buried beneath the ground in the South*^*Dakota hills.
A.regulated
B.extrapolated
C.contemplated
D.excavated
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