Which of the following is not a form of energy?

a. light
b. pressure
c. heat
d. electricity

Among the choices PRESSURE is not a from of energy. Pressure is just the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure is the pressure relative to the ambient pressure. Various units are used to express pressure. Some of these derive from a unit of force divided by a unit of area

An arrhenius base is any compound that donates a hydroxide ion (OH-) in solution