In the rock record, the Paleocene-Eocene transition is marked by an abrupt shift of oxygen isotope ratios toward __________ values, signaling the onset of a much __________ interval of Earth history.
A) lighter; cooler
B) lighter; warmer
C) heavier; cooler
D) heavier; warmer
Correct Answer:
Verified
Q10: Paleogene was a time of significant evolutionary
Q11: The relatively strong Paleogene shift toward isotopically
Q12: Whales evolved during
A) Paleocene.
B) Eocene.
C) Oligocene.
D) Miocene.
Q13: The end-Paleogene appearance of primates, ungulates, and
Q14: Reefs made of corals began to form
Q16: It is likely that Eocene heat transport
Q17: New Paleogene predators included the huge flightless
Q18: By the end of _, most modern
Q19: On the plains of Nebraska and South
Q20: Which two continents were connected to each
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