TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Through a process called electromagnetic induction, generators change the kinetic energy of a spinning turbine to electrical energy.

SOLUTION: Through a process called electromagnetic induction, generators change what energy form of a spinning turbine to electrical energy?

PROBLEM: All enzymes have an optimal temperature and ph.

SOLUTION: All enzymes have an optimal temperature and what?

PROBLEM: The normal respiratory rate per minute in adult humans is 12-18 breaths.

SOLUTION:
The normal respiratory rate per minute in adult humans is?