Scientists have not yet found a solution to the occurence, but they are still searching. Other websites will say something about a comet or flood, but as a scientist I am sure that we are still researching for the answer. Please visit www.localscienceindustry.com
An ice comet that hit the earth 4600 years ago, broke open the crust of the earth and spewed out hot water, this hot and cold mixture caused global rain to fall and the earth flooded. When the water cooled it began to make glaciers. This process is also responsible for continental shifting.
Global cooling
R you serious
what ice age
what ice age