The correct label for an arrow from the picture of obsidian (an igneous rock) to the picture of slate (a metamorphic rock) would be "heat and pressure." This is because igneous rocks can be transformed into metamorphic rocks through processes involving 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? (1 point) Responses pressure and cementation
pressure and cementation
years of erosion
heat and pressure
cooling
3 answers
a b c or d
The correct response is C: heat and pressure.