Summary of the Snowball Earth article

        Write a summary of the Snowball Earth article. Your summary should highlight the geological processes and concepts associated with both the evidence of a snowball/hothouse Earth and the hypothesized mechanisms responsible for snowball/hothouse Earth. You should specifically include the following processes/features in your discussion: Plate tectonics and volcanism The relationship between sedimentary rocks and their formation environment Isotopic analysis The summary should be concise and no more than a page or so in length (double-spaced, 12 point font, 1 inch margins).