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

Water is at the neutrality, 7 point on the ph scale.
At what point is water on the ph scale?

Resistors connected end to end are said to be in series.
Resistors connected end to end are said to be in what?

The energy stored in the organic molecules of food ultimately comes from the sun.
The energy stored in the organic molecules of food ultimately comes from where?