What is ten thousand more than 300,000 + 90,000 + 5,000 + 40 is

Most short-period comets do not have randomly oriented orbits because

What is the relationship between the direction of motion of the balloon and the wind currents

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