TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: During the early paleozoic, the amount of carbon dioxide in the atmosphere was much greater compared to today.

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

PROBLEM: Breast cancer is the most common type of cancer in adult females.

SOLUTION: What is the most common type of cancer in adult females?

PROBLEM: Motor oil is a harmful substance that must not be drained into a storm sewer.

SOLUTION:
What harmful substance must not be drained into s storm sewer?