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20 answers for: Period in Earth's history that started 66 million ...
RANKANSWERCLUE
CENOZOICERAPeriod in Earth's history that started 66 million years ago
OPENERAPeriod in tennis history that started in 1968
STONEAGEPeriod of human history that started with the lower palaeolithic
ICEAGECold period in Earth's history
CRETACEOUSThe last of the three periods of the Mesozoic Era. It began 145.0 million years ago and ended 66 million years ago.
QUATERNARYPertaining to the present period in earth history
FORESTDuring the Mesozoic Era (about 252 million to 66 million years ago) much of Antarctica was covered in dense _______ (6)
PERMIANThe largest extinction in Earth's history took place during this time, which lasted from about 299 million to about 252 million years ago and set the stage for the emergence of the dinosaurs.
CHICXULUBCRATERSite of the impact of the asteroid that killed the dinosaurs 66 million years ago
ERAMesozoic ___ (252 to 66 million years ago)
CENOZOIC___ Era (66 million years ago to the present)
YUCATANMexican peninsula, site of the 200km-wide Chicxulub crater, formed by an asteroid impact 66 million years ago (7)
EONAny of four in Earth's history
AEONTime in earth's history
IRONAGEPeriod of human history that began about 3,000 years ago
GEOLOGISTSpecialist in the earth's history recorded in rocks (9)
BOSWORTHFIELDThe site of the battle in English history that ended the Wars of the Roses (8,5)
OVERAncient history that could be all spin (4)
FORMCriminal history that is gender-neutral (4)
ICEAGESGlacial periods in the Earth's history (3,4)