Given a statement, generate a question such that the answer is contained in that statement.
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Question: Leopard geckos can go several weeks between meals

Answer: How long can Leopard geckos go between meals?

Question: Komodo dragons usually give birth to their young in nests.

Answer: Where do Komodo dragons usually give birth to their young?

Question: Hydrogen and oxygen are essential for all life on earth

Answer:
What is essential for all life on earth?