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

Through a process called electromagnetic induction, generators change the kinetic energy of a spinning turbine to electrical energy.
Through a process called electromagnetic induction, generators change what energy form of a spinning turbine to electrical energy?

The heterotroph eats only or mainly plants.
The heterotroph eats only or mainly what?

Stem basic structure holds plants upright, bears leaves and other structures, and transports fluids between roots and leaves.

What basic structure holds plants upright, bears leaves and other structures, and transports fluids between roots and leaves?