Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: The climate is defined as the temperature plus precipitation of an area over a long period of time.

Answer: What is defined as the temperature plus precipitation of an area over a long period of time?


Question: The sporophyte stage is the dominant stage of the lifecycle of a fern.

Answer: Which is the dominant stage of the lifecycle of a fern?


Question: Ocean acidification occurs when excess carbon dioxide in the atmosphere causes the oceans to become acidic.

Answer:
What occurs when excess carbon dioxide in the atmosphere causes the oceans to become acidic?