Identify the type of chemical reaction below:
CaCO3(s) CaO(s) + CO2(g)

That result from subduction of oceanic plates beneath lighter continental plates. most of the earth's volcanoes are located around the pacific ring of fire because that the location of most of the earth's subduction zones.

Ido not understand. 

False, as a substance changes from a solid to a liquid and from a liquid to a gas the molecules get farther apart from each other