Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Stimulation of triglyceride breakdown is the first direct action of growth hormone.

Answer: What is the first direct action of growth hormone?

Question: Bees are naturalized on every continent except antarctica.

Answer: Bees are naturalized on every continent except which?

Question: Dark matter is the area of our universe that isn't stars and galaxies called.

Answer:
What is the area of our universe that isn't stars and galaxies called?