With a wave, the region where the particles are forced impress together is called a
a) transverse; crest
b) transverse; compression
c) longitudinal; crest
d) longitudinal; compression

the entire statement is true and correct.  

there's no diagram, nothing is illustrated, and no question is asked.

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