instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
When magma heats groundwater, it may come to the surface as a hot spring or a geyser.
answer:
When magma heats groundwater, it may come to the surface as a hot spring or a what?

question:
Constructive forces type of forces are involved when deposited rock forms deltas or barrier islands.
answer:
What type of forces are involved when deposited rock forms deltas or barrier islands?

question:
You call a device that produces a very focused beam of visible light of just one wavelength and color a laser.
answer:
What do you call a device that produces a very focused beam of visible light of just one wavelength and color?