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

The name of film that polyester fibers form is mylar.
What is the name of film that polyester fibers form?

Air quality is a measure of pollutants in the air.
Air quality is a measure of what in the air?

A reptile's metabolism doesn't generate enough energy to keep their body temperature stable.

A reptile's what doesn't generate enough energy to keep their body temperature stable?