Answer the following question: You are presented with the question "What works by summing kinetic energy and potential energy?" and the following answer choices: - Riding a bike - transportation technology - adding heat - an automobile engine - circulatory systems - a hydraulic system - Thyroid-stimulating hormone - heterotrophs Now knowing that an automobile engine transforms chemical energy into mechanical energy and mechanical energy is the sum of Kinetic Energy and Potential Energy, choose the best answer.
Answer:
an automobile engine