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

Articular processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head.
What processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head?

Salt-water biomes in the ocean are called marine biomes.
Salt-water biomes in the ocean are called what?

An experiment is a controlled scientific test that often takes place in a lab.
What is a controlled scientific test that often takes place in a lab?