the Mid-Atlantic Ridge
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Over time, they form a mountain range
Once magma breaks through the earths crust it is called"lava"
Volcano.
Vent
volcanic mountain
The equator.
It Rotates, and is called penumbra
The moon darkens because it passes through Earths shadow.
Earthquakes
A volcano is the opening called in the earths crust called through which lava gases and other pieces of rock erupt.
A volcanic mountain.