Life appeared in the oceans because the life conditions were greater: the differences in temperature were litter, breathing was easier because the atmosphere had toxic gasses,… In close the water was a stable place to live. The water vapour released during the volcanic eruption was condensated forming the first oceans and provocating rains. After the formation of the Earth, it suffers big changes.Īproximatly, 4550MA the Earth was an incandescent mass bombarded by meteors, when the meteors rain stopped the outer lawyers became solidifier but the heat released by the internal ones melt it again.Īfter,the temperature decreased permiting the formation of a stable crust, the size of the crust becames bigger due to the intense volcanic eruptions and the gasses realesed formed the first atmosphere.
