For a given change in momentum, if the net force that is applied to an object decreases, what happens to the time interval over which the force is applied?

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

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

First to answer will be the brainliest i need the answer asap