A long time ago on top of a mountain, the rocks were jagged and pointy. Over thousands of years, the rocks have become smooth. What process explains this change?

pulling

weathering

depositing

eroding

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question