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

Ex Input:
Water is at the neutrality, 7 point on the ph scale.

Ex Output:
At what point is water on the ph scale?

Ex Input:
Terrestrial biomes are associated with land, while aquatic ones are associated with water.

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

Ex Input:
Microscopes were first developed in the early 1600s by eyeglass makers.

Ex Output:
Microscopes were first developed in the early 1600s by this trade?