Causes of eruption of volcano - Indian and World Geography

Q.  Which of the following are causes of eruption of volcano?

1. Due to diverging or converging tectonic plates

2. High volume magma's upper movement

3. Decrease in pressure of Magma as it rises up towards the crust

4. Injection of a new batch of magma into an already filled magma chamber

- Published on 04 Apr 15

a. 1,2
b. 1,3
c. 1,2,3
d. All

ANSWER: All

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