Rock Unit

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Rocks formed from the remains of living things are classified as

All rocks are made up of

The texture of an igneous rock that does not have mineral crystals is

The series of natural processes by which rocks are slowly changed from one kind to another is

What two processes change rocks into sediments?

The grouping of things that are alike is called

What kind of rock always results from the application of heat and pressure on rocks?

Molten rock is made up of