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The top documents tagged [benefits of volcanoes]
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benefits of volcanoes
Volcanic hazards and people
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1. One half of the radioactive potassium-40 (K 40 ) in an igneous rock has decayed to argon-40 (Ar 40 ). According to the ESRT, about how many years ago.
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ONE OF NATURE’S FACES. Hurricane Earthquake Tornado Volcano Tsunami Flood Drought Hail Forest fire Severe frost Snow storm Thunderstorm.
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