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: Gastric emptying is regulated by both the stomach and the duodenum.

Answer: Gastric emptying is regulated by both the stomach and what other digestive structure?


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: Damage through pushing is the root cap continuously replaced in plants.

Answer:
Why is the root cap continuously replaced in plants?