lrhsenglish1honors.files.wordpress.com · 2018-05-04 · 10 Background On November 13, 1985, the...
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lrhsenglish1honors.files.wordpress.com · 2018-05-04 · 10 Background On November 13, 1985, the long-dormant Nevado del Ruiz volcano erupted in Colombia, South America. Molten rock