'This molten substance can surface as lava, or cool & harden into igneous rock'
Magma
BEFORE THEY WERE ROCKS: This molten substance can surface as lava, or cool & harden into igneous rock
This molten substance can surface as lava, or cool & harden into igneous rock
This molten substance can surface as lava, or cool & harden into igneous rock
BEFORE THEY WERE ROCKS
Magma
BEFORE THEY WERE ROCKS