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RE: How much warning for supervolcanoes?
Hi! This post has a Flesch-Kincaid grade level of 11.9 and reading ease of 55%. This puts the writing level on par with Michael Crichton and Mitt Romney.
Hi! This post has a Flesch-Kincaid grade level of 11.9 and reading ease of 55%. This puts the writing level on par with Michael Crichton and Mitt Romney.