The Pleistocene often colloquially referred to as the Ice Age) is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the world's most recent period of repeated glaciations. The end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age used in archaeology.
Answer:
A. To show the world exactly as it is.
Explanation:
The answer for your question is letter A
Yes because the Earth was one big ocean at one point