A geologist studies an ocean volcano producing oceanic crust. Though he cannot sample the rock, what can he infer is the dominant composition of the rocks? a

silica, magnesium, and iron
b

silica and aluminum
c

aluminum and iron
d

aluminum, magnesium, and iron

How can minerals crystallize from materials dissolved in water? check all that apply.

What factors of japan’s geography make it necessary for it to import so many goods?

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation