The correct label for the arrow from the picture of obsidian (an igneous rock) to the picture of slate (a metamorphic rock) would be heat and pressure. This label describes the process by which igneous rocks can change into metamorphic rocks through metamorphism, which involves applying heat and pressure over time.
A student is using images of rocks to make a rock cycle diagram. The table describes the rocks the student is using:
Name Type
metamorphic slate
sedimentary limestone
igneous obsidian
Which label should the student add to an arrow from the picture of obsidian to the picture of slate? pressure and cementation
pressure and cementation
years of erosion
years of erosion
cooling
cooling
heat and pressure
1 answer