If the ocean suddenly became heated top-to-bottom worldwide to 80 deg. F., consider wintertime in Europe and North America for instance, do you suppose there would be snow aplenty? And when the ocean would cool back to its original state (as today), wouldn’t the Ice Age end? Because of the warm ocean, the engine for the Ice Age (in the aftermath of Noah’s Flood), the ocean coastline regions were snow free but very rainy, for instance where the “wooly” mammoths lived in the Arctic.
