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

[EX Q]: Energy do ecosystems absorb on the earth.
[EX A]: What do ecosystems absorb on the earth?

[EX Q]: Duplicating the results of an experiment process will most likely lead to the scientific acceptance of a hypothesis.
[EX A]: Which process will most likely lead to the scientific acceptance of a hypothesis?

[EX Q]: The carotid artery takes blood to the brain.
[EX A]:
What artery takes blood to the brain?