Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

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

The thalamus helps to regulate consciousness, arousal, and sleep states.
What helps to regulate consciousness, arousal, and sleep states?

Parasympathetic division division of the nervous system controls involuntary activities that are not emergencies, such as the digestive organs breaking down food.
What division of the nervous system controls involuntary activities that are not emergencies, such as the digestive organs breaking down food?