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Arriving while it was still dark , he hid her body deep in the woods and made his way to a spot which he remembered near a stream where the earth was soft and there was no grass on the forest floor to leave an open spot when he replaced the soil . The earth is drenched with mortality . Approximately 70 percent of the land surface of the earth is rangeland . The earth is sometimes described as a heat engine , as the atmosphere and ocean convey the surplus of heat from radiation in the tropics to the poles , which receive a deficit of radiation . In olden days our earth was said to be the centre of the Universe .