An eruption is classified as an explosive volcanic eruption based on the amount of which mineral found in the magma?

A: silica
B: carbon
C: iron
D: basalt

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04-08-2016
Geography

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An eruption is classified as an explosive volcanic eruption based on the amount of which mineral found in the magma?

A: silica
B: carbon
C: iron
D: basalt

Respuesta :

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If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?

meerkat18 meerkat18 · Answer 1 · 2016-08-06T16:42:38+02:00

meerkat18 meerkat18

06-08-2016

The correct answer is A. silica.

The amount of silica found in the magma determines the viscosity. The higher the silica in magma, the higher the viscosity of a magma. So the correct answer is silica. It is not among the other choices.

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An eruption is classified as an explosive volcanic eruption based on the amount of which mineral found in the magma? A: silica B: carbon C: iron D: basalt

Respuesta :

Otras preguntas

An eruption is classified as an explosive volcanic eruption based on the amount of which mineral found in the magma?

A: silica
B: carbon
C: iron
D: basalt