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Volcanoes — Geography STD 9 — Question

ICSE BoardEnglish MediumSTD 9GeographyVolcanoes2 Marks
Question
Basic lava cones are broader than Acid lava cones.
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Answer

Basic lava cones are formed by liquid lava which expands and covers a large area while the Acid cones are formed by solid material e.g. ash cinders etc which heap up but do not cover large area and form a high conical hill as compared to broad and low volcanic deposits on the surface.

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