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Title: Which statement about the May, 1980, eruption of Mount St. Helens is false? Post by: MrDereche on Nov 20, 2014 Which statement about the May, 1980, eruption of Mount St. Helens is false?
A) During the eruptive period, the mountain peak was substantially built up by new lava flows and pyroclastic debris. B) Plumes of ash rose high into the atmosphere during the major eruptive events. C) Mudflows accompanied the major eruptive events. D) The most powerful explosive event was preceded by a massive landslide. Title: Re: Which statement about the May, 1980, eruption of Mount St. Helens is false? Post by: milestone23 on Nov 30, 2014 Content hidden
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