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
cooling
cooling
pressure and cementation
pressure and cementation
heat and pressure
heat and pressure
years of erosion
1 answer
The correct label to add to an arrow from the picture of obsidian (an igneous rock) to the picture of slate (a metamorphic rock) is heat and pressure.
This indicates the process that transforms an existing rock into a metamorphic rock. So the answer is:
heat and pressure
