Scientists do not know the answer to this question.
Lava.
Molten rock that reaches the Earth's surface is called lava.
The mid-Atlantic ridge.
"are places on the earth's surface where molten rock, gases, and ash from deep inside the earth are ejected."
Igneous rock that flowed out of the surface if lava; lava blown out of explosive eruptions is Volcanic Ash, or Tuff.
lava
lava
pressure from the heat under the earths surface
it is called magma.
magma
It is called magma
it is called magma.
Lava
i think lava
Lava. Note: Magma cant erupt, volcanoes do. Magma is just the word for molten rock beneath the earths surface, lava is for molten rock above the earths surface.
molten rock called lava when it is on the earths surface and magma when it is beaneath the surface
Lava.