Asmall increase in aperture will result in a. small increase in brightness large increase in brightness small decrease in size large decrease in sizea. small increase in brightness

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

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