Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Stem basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures.

A: What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?
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Q: Water can be boiled to kill giardia and most other pathogens.

A: Water can be boiled to kill giardia and most other what?
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Q: Larval stage developmental stage do alligators lack that most other amphibians have.

A:
What developmental stage do alligators lack that most other amphibians have?
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