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What is the best summary of this paragraph?
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Based on size and structure, there are basically four
different kinds of volcanoes,
A volcano is built up around a vent in the ground where
magma from inside the Earth escapes above ground,
Volcanoes that develop over a long time to be many
miles wide and tall are called shield volcanoes,
Hawaii is a US state built on volcanoes that rise out of
the Pacific Ocean.
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