Because of churning rock and ash, the largest volcanic eruptions are sometimes surrounded by

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

Does heating a metal wire increase or decrease its electrical resistance? why?

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point