Given a statement, generate a question such that the answer is contained in that statement.

Q: Weather refers to the conditions of a layer of gases around a planet

A: What refers to the conditions of a layer of gases around a planet?
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Q: Therian mammals give birth to indepnedent babies, called live birth.

A: What are the indepnedent babies called?
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Q: Most species go through stages of ingesting nutrients and growth after hatching

A:
What stages do most species go through after hatching?
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