Which of these provides the best evidence for the plate tectonic theory? the rise of magma by the convergence of Earth plates
the destruction of Earth's magnetic field by the rotation of Earth's core
the variations in the age of rocks at different distances from the midocean ridges
the difference in the shapes of the Atlantic Ridge and the coastlines of continents

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