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There are almost no extrusive rocks on the earths surface because they are all under the earths surface. They are mainly lower than the earths surface.
You're thinking of magma.
Scientists do not know the answer to this question.
fre
Yes it is call a crust 😁
they just happen earthquakes are caused from the plates under earths surface moving
mantle
There are almost no extrusive rocks on the earths surface because they are all under the earths surface. They are mainly lower than the earths surface.
the moving of the plates under the earths surface
pressure from the heat under the earths surface
There is no ladder if (of?) rocks under the earths surface, your question is meaningless.
An intrusion.
the tectonic plates are shifting under the earths surface.
An earthquake is started when two plates (which lie under the Earths surface) rub together this creates movement which then sometimes pulls/pushes at the earths surface and creates giant cracks in the earths surface... and that is how an earthquake is started.
what are three ways resorce are brought up from under earths surface
the tectonic plates under the earths surface
Lava