If I begin at the equator and perceed north then continue on for a total of 180 degrees of latitude were will we finally end up

i think the answer would be b

see earlier answer

it has to be b, about 97 percent.

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods