Ice sheets are made up of layers of snow and ice that gathered above numerous many years. All those layers have trapped gases, dust, and water molecules that researchers can use to review past climates. Because then, glacial melt has bloated the lake. Pumps are already put in place to https://kiss91843108.thezenweb.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-918kiss-74222075