Dong Miao-xian’s hypothesis of On Multi-seasons revealed the effects changes of great heat and cold existed in Earth’s surface .Such huge differences of heat and cold caused the thermal expansion and contraction of the rock formation of the Earth’s crust ,that is ,the motivity of crustal movement .In the period of unusually low temperature ,the crustal rock formation began to large scale shrink and formed oceans .In the period of extremely high temperature ,the crustal rock formation began to large expansion and push out the mountains around...
