'If it cools underground, it forms igneous rock; if it erupts, it becomes lava'
magma
WHAT IS THIS THING CALLED LAVA?: If it cools underground, it forms igneous rock; if it erupts, it becomes lava
If it cools underground, it forms igneous rock; if it erupts, it becomes lava
If it cools underground, it forms igneous rock; if it erupts, it becomes lava
WHAT IS THIS THING CALLED LAVA?
magma
WHAT IS THIS THING CALLED LAVA?