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torisob [31]
3 years ago
13

What factors increase the likelihood that a volcanic eruption will be explosive? Group of answer choices

Chemistry
1 answer:
krok68 [10]3 years ago
6 0

Answer:

The correct answer is a.

Explanation:

The explosive reaction depends on the amount of gas dissolved in the magma and its viscosity.

Low-viscosity magmas allow gases to easily escape to the surface, reducing the likelihood of an explosive release. While high viscosity magnets retain the gases and increase the pressure producing a greater probability of an explosive release occurring.

This magma when it reaches high pressures and when it overcomes the resistance it encounters, escapes violently, giving rise to an explosive eruption.

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