Igneous rocks can be found In the earths surface
metamorphic rocks can be found mountainous regions
sedimentary rocks can be found In earths upper crust!
Hope I helped! ( Smiles )
ohk thanks for free points
They use fossils and the Earth's layers to help them which is also an example of geological time. The layers tell them the history by how deep they are along with the fossils. Since the lowest layers, for example, are the oldest, scientists use this to determine Earth's age and history.
Sorry bro I don’t understand pls be organized :)