differently shaped volcanoes 0.0 / 5 ? GeographyNatural hazardsGCSEAQA Created by: Tom LennardCreated on: 23-03-14 15:35 why do volcanoes have different shapes 1. If the magma is high in viscosity the slopes will be shallow sided with a wide base causing a shield volcano. 2. If the magma has high viscosity the sides will be steep with a narrow base causing a composite volcano. 1 of 1
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