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Home Q & A Board Science-Related Homework Help Physics
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barry barry
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11 years ago
Why do volcanic mountain chains, such as the Andes, accompany deep trenches like the Nasca Trench off South America?
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11 years ago
When plate tectonics causes a denser oceanic plate beneath a moving continent, the basalt sinks down into a deep trench, but the heat of subduction causes molten magma to rise up under the edge of the continent, creating volcanoes.
Would you know my name, if I saw you in heaven?

Eric Clapton
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barry Authorbarry
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11 years ago
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