Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Terrestrial biomes are associated with land, while aquatic ones are associated with water.

Answer: Terrestrial biomes are associated with land, while aquatic ones are associated with what?


Question: When the phosphorus element - whose name means "light bringing" - was first isolated, scientists noted that it glowed in the dark and burned when exposed to air

Answer: When what element - whose name means "light bringing" - was first isolated, scientists noted that it glowed in the dark and burned when exposed to air?


Question: The first line of defense includes mechanical, chemical, and biological other barrier.

Answer:
The first line of defense includes mechanical, chemical, and which other barrier?