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Why are volcanoes usually cone-shaped?

Nov 20, 2015 17:10 IST

    Q. Why are volcanoes usually cone-shaped?

    Ans. Volcanic landforms are formed by the ejections from the volcanic aperture. The magma, which is relatively viscous, flows down the sides of the mountain and solidifies as it goes down, forming a steep-sided cone-shape with a central crater.

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