Answer :
The period with mild climate between glacial advances is called a(n): interglacial periods. We refer to eras with substantial ice sheets as "glacial periods" (sometimes known as "ice ages") and periods with less ice cover as "interglacial periods."
A geological phase of warmer global average temperature lasting thousands of years that separates successive glacial periods within an ice age is known as an interglacial period (or alternately, interglacial, interglaciation). At the conclusion of the Pleistocene, or roughly 11,700 years ago, the current Holocene interglacial started. The warmer interval between ice ages during which glaciers retreat and sea levels rise is known as an interglacial or interglacial epoch. Glacial periods have lasted between 70,000 and 90,000 years during the past 450,000 years, while interglacial periods endure roughly 10,000 years. Currently, we are in an interglacial phase. About 10,000 years ago, near the conclusion of the last glacial period, it started. Researchers are still trying to determine the origin of ice ages. The amount of sunlight that Earth receives from the Sun is a significant impact. Over the past 800,000 years, 11 such interglacial eras have been recognized by researchers, but the one we are currently in may be particularly long-lasting.
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