Choices:
[a]. flow of electrons
[b]. fault movement
[c]. heat energy
[d]. Energy.
[e]. volcanos
[f]. magma
[g]. Movement
[h]. lava
Given those answer options, answer the question: Fact 1: Faulting of rock in Earth 's crust causes earthquakes. Fact 2: Earthquakes are caused by fault movement. Given the two facts above, what are responsible for earthquakes?
A:
[b].