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Are dormant volcanoes really dormant?

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AFP
AFP

A volcano's magma chamber that has cooled down need not remain dormant for centuries before it is remobilized by fresh magma. Reawakening of a chamber can happen in just a few months.

The Hindu presents the all-new Young World

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THIS WEEK’S QUESTIONS

This week’s questions

Veins are ‘blue’ in colour due to the deoxygenated blood. If so, why is the blood collected... »