You will be given a definition of a task first, then some input of the task.
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

El nino is the cause of rising surface temperatures of the pacific ocean, drought in the western united states, and flooding on the pacific coast of south america.
Output:
What is the cause of rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America?