Which scientist's idea what "gases are formed from tiny particles so small you can't see them. The particles are spread out into a certain area and move when people walk through them."

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

The amount of potential energy possessed by an elevated object is equal to what?