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

Example Input: Energy do ecosystems absorb on the earth.
Example Output: What do ecosystems absorb on the earth?

Example Input: Seeds of a pine cone are easily carried by the wind and dispersed because seeds have wings.
Example Output: Why are seeds of a pine cone easily carried by the wind and dispersed?

Example Input: We call the major artery carrying recently oxygenated blood away from the heart the aorta.
Example Output:
What do we call the major artery carrying recently oxygenated blood away from the heart?