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Snowball Earth — The Snowball Earth hypothesis as it was originally proposedcite book author = Kirschvink, J.L. year = 1992 chapter = Late Proterozoic low latitude global glaciation: The snowball Earth title = The Proterozoic Biosphere: A Multidisciplinary Study… … Wikipedia
Cryogenium — Äonothem/ Äon Ärathem/ Ära System/ Periode ≈ Alter (mya) höher/jünger höher/jünger höher/jünger jünger Protero zoikum Neoprotero zoikum … Deutsch Wikipedia
climate change — Introduction periodic modification of Earth s climate brought about as a result of changes in the atmosphere as well as interactions between the atmosphere and various other geologic, chemical, biological, and geographic factors within the Earth … Universalium
