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

Q: Rubber is an example of a(n) insulators that does not allow electrons to move through them.

A: Rubber is an example of what type of substances that do not allow electrons to move through them?
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Q: A frog develops (a/an) lungs as it changes from a tadpole to an adult frog.

A: Which of the following structures does a frog develop as it changes from a tadpole to an adult frog?
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Q: An animal produces polyclonal antibodies after exposure to a microbial antigen.

A:
What are the antibodies an animal produces after exposure to a microbial antigen?
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