Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
--------
Question: Are humans a new or old species on the earth?

Answer: Are humans a new or old species on the earth?

Question: The most significant connection between the cerebellum and the rest of the brain is at the pons.

Answer: Where is the most significant connection between the cerebellum and the rest of the brain?

Question: During the early paleozoic, the amount of carbon dioxide in the atmosphere was much greater compared to today.

Answer:
During the early paleozoic, the amount of carbon dioxide in the atmosphere compared to today was?