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: Axillary buds in the axils of leaves and stems give rise to branches.

Answer: What in the axils of leaves and stems give rise to branches?


Question: The pupil is the name of the black opening in the eye that lets light enter.

Answer: What is the name of the black opening in the eye that lets light enter?


Question: Most of the heat that enters the mesosphere comes from the stratosphere.

Answer:
Most of the heat that enters the mesosphere comes from where?