Life\'s role on early Earth (Introduction)

by David Turell , Monday, November 25, 2013, 18:43 (4016 days ago)

Lichens and bacteria helped break down lava rock into sediment and helped form continents on top of crust. Life formed at 200 C. degrees!-http://www.newscientist.com/article/mg22029443.100-early-life-built-earths-continents.html-interestng scenario.