It hardens when it starts to cool off at the bottom of the mountain/volcano.
Actually, it does not. It is soft.
Both pillow lava and pahoehoe lava have about the same composition and harden into a kind of rock called basalt.
it is kaka shamucky
it turs to rock
It is called Lava
volcanoes will erupt and let out lava then the lava will harden and that will be new land.
lava helps harden with stone and minerals grow it
It hardens and turns it to rock.
Igneous Rock.
Because it cools down and changes its state of mater.
Lava and magma are not rocks because they are liquids and cant harden because they are to hot to harden and cant cool themselves down long enough to form a hard structure. Magma and lava is rock - it's just been superheated by the Earth's core.
yes. They are made form harden lava