::::You wrote "Continental drift must have slowed down over time." Why ''must'' it have? Also, if there is actually evidence showing non-constant rates for any of the processes dicussed above, then they should be cited in the article. [[User:AddisonDM|AddisonDM]] 11:35, 25 June 2009 (EDT) | ::::You wrote "Continental drift must have slowed down over time." Why ''must'' it have? Also, if there is actually evidence showing non-constant rates for any of the processes dicussed above, then they should be cited in the article. [[User:AddisonDM|AddisonDM]] 11:35, 25 June 2009 (EDT) |