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This United States Geological Survey (USGS) website explains volcanic gases and their effects on the Earth and its life. The report discusses gases trapped in magma below the Earth's surface as the driving force of volcanic eruptions. Types of gases, such as sulfur dioxide and carbon dioxide, and their potential effects are described. A comparison of volcanic gas composition in three different volcano ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Photograph, Ref. material, In-situ dataset
Subject: Chemistry, Geology, Natural hazards
 
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Results 51 - 51 of 51 for 'mt st helens' <<  2 3 4 5 6