However, in Individuals situations, only around a third of your World's area is believed to are actually protected in ice. Snowball Earth Rain is the Earth's organic cleaning agent. As it falls from the atmosphere each droplet of rain absorbs carbon dioxide and cleans the air, but Kirschvink realised that http://rafaelwyzyy.designertoblog.com/24655893/new-step-by-step-map-for-snowball-horizon