The great rift valley was formed by violent subterranean forces that tore apart the earth's crust. These forces caused huge chunks of the crust to sink between parallel fault lines and force up molten rock in volcanic eruptions.
<span>Factors contributing to the west ward expansion of the United States include the discovery of gold, the Homestead Act, and the desire for adventure, land and riches. The answers are the third, fourth and fifth statements among the choices that you have included or posted.</span>
Answer:
Both of them are Igneous rocks
Explanation:
<u>HOPE </u><u>IT </u><u>HELPS</u>
<u>BRAINLIEST</u><u> PLEASE</u>
