lu4ca7sMathelove lu4ca7sMathelove

04-08-2016
Geography

contestada

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 :

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.

Answer Link

Otras preguntas

How old was hayley williams when she wrote misery business?

A certain bacteria is growing at a rate of 4 percent each day. If the culture of bacteria has 5,000 bacteria today, how many bacteria will be present 10 days fr

The product of (a + b)(a-b)is a^2 - b^2 sometimes always never

Which aspect of the U.S. Congress most reflects the constitutional value of republicanism? A. Members of Congress often support political positions that mirror

The most crucial cognitive difference between a skilled person and an unskilled person may be _____.

Can someone please help me

A line passes through the point (1,-4) and has a slope of -6. Write an equation in slope intercept form for this line .

Consider the function y=2cos(-x)-4 . What effect does "-x" have on the basic graph? a) horizontal shift left 1 b)flip over horizontal axis c)vertical shift down

DOES ANYONE NEED HELP ON HEALTH SCIENCE?

How did Chinese culture change during the Warring States period