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

the rattlesnake is the most popular snake in our country

Identify the answer that best describes the following sentence. Either Paul or Larry will address the envelopes and take them to the post office. The sentence h

what is 0.000546 in scientific nottion

what feature distinguishes a neutral atom from an ion

The number has 9 digits. the digit in the tenths place is the digit used to represent a half dozen. the digit in the tens place is the value of a fraction with

what is 10×4 thousands in place vaule

Why is it important to understand the order in which events occurred?

the perimeter of a triangular plot of land is 2400 ft. the longest feet is 200 ft less than twice the shortest. the middle side is 200 ft less than the longest

what is 1/10 of 50.00

If x and y are both positive, when is x-y negative?