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Volcanoes that have a time between eruptions of 1000 years or greater always have a Volcanic Explosivity Index of 5 or greater

Volcanoes that have a time between eruptions of 1,000 years or greater always have a Volcanic Explosivity Index of 5 or greater.

2.The Pacific Ring of Fire includes two-thirds of the world's active volcanoes.

3.Volcanic ash is able to supply all the nutrients that crops need.

4.Volcanic activity always results in a loss of biodiversity due to habitat destruction.

5.Volcanic damage to jetliners is extremely rare (less than once per decade) because volcanic ash rarely makes it above 19,000 meters (30,000 feet), where passenger jets fly.

6.Volcanism at convergent plate boundaries is due to decompression melting..

7.Most magma rises until it reaches a depth at which its density matches that of the enclosing lithosphere.

8.Some magmatic volatiles are among the strongest natural acids known.

9.Basaltic eruptions are almost entirely extrusive.

10.Hawaiian-style eruptions only occur in Hawaii and other Pacific Islands.

Feb 14 2020 View more View Less

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