1. Much of the shelves were exposed during glacial periods and interglacial periods . 2. Wherever these areas were found, they became source populations during interglacial periods . 3. High contents correspond to warm interglacial periods , and low to glacial periods. 4. Interglacial periods correlate well with an intensification of the monsoon circulation.5. That didn't even get us back into the last interglacial period . 6. Likewise, the muskox is known to have survived in Britain during warm interglacial periods . 7. The present interglacial period ( the Holocene ) has lasted about 11, 700 years. 8. During interglacial periods , this region has undergone varying degrees of wet and dry periods. 9. These consisting of glacial periods where conditions are colder than normal, separated by interglacial periods . 10. These climatic fluctuations were caused by the glacial and interglacial periods of the Northern Hemisphere.
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