earth science

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what is the greatest danger from volcanoes??

a. watery lava
b. mud flows
c. oxygen
d. bulging of the earth's crust

  • earth science -

    The greatest danger? Depends on where you are and which volcano. But I would have to certainly include in the top dangers the danger of heavier than air poisonous gas, which kills all in front of it.
    http://en.wikipedia.org/wiki/Plinian_eruption

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