what requires electrical energy to function?
vehicles h2o oxygen Something to move critical organs carbon nervous system lie detectors
A B C D E F G H
Lie detectors are electrical or mechanical devices.
lie detectors require electrical energy to function
what requires electrical energy to function? (A) vehicles (B) h2o (C) oxygen (D) Something to move (E) critical organs (F) carbon (G) nervous system (H) lie detectors