Which statement best describes what happens when air warms in the atmosphere? A. Air condenses and rises up.
B. Air expands and rises up.
C. Air expands and sinks down.
D. Air condenses and sinks down.

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

statement #3 on andre"s list is false.

friction

explanation:

they us to move forward and backwards