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Q&A How to explain lack of flatland?

A recent Snowball Earth period might help. Heavy glaciation can cause enormous changes to the terrain. There are no longer any glaciers where I live, but there once were, during a recent ice age. ...

posted 8y ago by HDE 226868‭  ·  last activity 8y ago by HDE 226868‭

Answer
#1: Attribution notice removed by user avatar System‭ · 2020-06-01T14:13:50Z (over 4 years ago) 
Source: https://worldbuilding.stackexchange.com/a/61701
License name: CC BY-SA 3.0
License URL: https://creativecommons.org/licenses/by-sa/3.0/