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

Q: Through tubular ducts part do exocrine glands discharge their contents.

A: Through what part do exocrine glands discharge their contents?
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Q: Atoms of metals are good conductors of electricity because they give up electrons.

A: Why are atoms of metals good conductors of electricity?
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Q: If an elephant and a boy are falling towards the ground, both same time will land first.

A:
If an elephant and a boy are falling towards the ground, who will land first?
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