Waves that move through space are called

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.