The pole of a bar magnet can attract a piece of unmagnetised steel. Explain why
it cannot repel the piece of steel.

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

Which composition of water moves to begin a deepwater current?

What is an electric motor? explain its operation. 2-3 sentence