Which statement best describes the effect nicotine has on the central nervous system

think its the third option

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

i think its c if i'm wrong

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide