Since the beginning of the Middle Pleistocene, there have been a number of cold (glacial) and warm (interglacial) cycles, with the last cycle ending about 12,000 years ago. How many cycles are known to have occurred during this time?

Question

Quizplus · Accepted Answer

There have been eight known cycles of cold (glacial) and warm (interglacial) periods since the beginning of the Middle Pleistocene, with the last cycle ending approximately 12,000 years ago.

Since the Beginning of the Middle Pleistocene, There Have Been