Metamorphic rocks may form from:

By definition, mountains must:

Sedimentary rocks are classified as:

Strain is the deformation caused by forces applied to a given area of rock (stress).

Most basement rock formed during the Archean and Proterozoic eons.

What is the angular deviation of a fault or tilted bed called or measured as?

Foliated metamorphic rocks, like slate or gneiss, have minerals arranged in a parallel fashion.

Chemical weathering is most effective when conditions are cold and arid.

​Most of the organisms that have ever existed are now extinct.

Metamorphic activity is most common along what type of plate boundaries?