| 31. | It was the 2nd largest volcanic eruption of the 20th century.
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| 32. | Researchers believe the birds fell victim to volcanic eruptions that preserved their remains.
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| 33. | PUASTION : What's the largest known volcanic eruption in historical times?
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| 34. | WHAT WAS THE BIGGEST VOLCANIC ERUPTION IN HISTORY ? ( a)
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| 35. | The ground is enriched with ancient volcanic eruptions, raising its fertility.
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| 36. | The idea that an earthquake could trigger a volcanic eruption makes intuitive sense.
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| 37. | The Rocky Mountains are being formed with numerous, minor volcanic eruptions.
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| 38. | A volcanic eruption on Miyakejima would be Japan's second this year.
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| 39. | Volcanic eruptions that throw off ash and steam reach just over 400 degrees.
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| 40. | Yasur is far more dangerous with volcanic eruptions occurring every day.
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